2026921631 has 16 divisors (see below), whose sum is σ = 2342856768. Its totient is φ = 1717632000.

The previous prime is 2026921627. The next prime is 2026921643. The reversal of 2026921631 is 1361296202.

It is a happy number.

It is not a de Polignac number, because 2026921631 - 2² = 2026921627 is a prime.

It is a super-2 number, since 2×2026921631² = 8216822596431400322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026921601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601391 + ... + 604751.

It is an arithmetic number, because the mean of its divisors is an integer number (146428548).

Almost surely, 2^2026921631 is an apocalyptic number.

2026921631 is a deficient number, since it is larger than the sum of its proper divisors (315935137).

2026921631 is a wasteful number, since it uses less digits than its factorization.

2026921631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2026921631 is about 45021.3463925725. The cubic root of 2026921631 is about 1265.5490606560.

The spelling of 2026921631 in words is "two billion, twenty-six million, nine hundred twenty-one thousand, six hundred thirty-one".