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num-bigint

v0.4.6 Growing

Big integer implementation for Rust

MIT OR Apache-2.0 Edition 2021 MSRV 1.60
AlgorithmsData structuresScience #mathematics#numerics#bignum

Quick Verdict

  • โœ•Not updated for 1+ year
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (29.6K crates depend on it)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
364.8M
Dependents
29.6K
Releases
31
Size
103KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

26.9M downloads in the last 30 days (895.1K/day), up 25% from the previous period.

๐Ÿ›๏ธ
Foundational crate

29.6K crates depend on num-bigint โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

โš ๏ธ
Single maintainer risk

num-bigint has only 1 owner despite 29.6K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 9+ years old, num-bigint hasn't reached 1.0 yet. Expect potential API changes between versions.

๐ŸŒŸ
Used by top crates

Notable dependents include rustls, num-rational, num, crypto-bigint, pyo3. When high-quality crates choose num-bigint, it's a strong quality signal.

Health Breakdown

Maintenance 7/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
707K/day avg+69%
0500K1.0M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.4.6
54%
v0.4.3
16%
v0.4.4
14%
v0.2.6
11%
v0.3.3
5%

Release Timeline

31 releasessince 2016
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2016
3
2017
6
2018
6
2019
1
2020
5
2021
6
2022
2023
1
2024
2
2025
1
2026
Less
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Feature Flags

default =["std"]

std*randserdearbitraryquickcheck

README

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Maintainers

Dependencies
6
direct dependencies
Dependents
29.6K
crates depend on num-bigint

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