2057826631 has 16 divisors (see below), whose sum is σ = 2438092800. Its totient is φ = 1699393248.

The previous prime is 2057826577. The next prime is 2057826679. The reversal of 2057826631 is 1366287502.

It is not a de Polignac number, because 2057826631 - 2⁹ = 2057826119 is a prime.

It is a super-2 number, since 2×2057826631² = 8469300886505620322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057826431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86656 + ... + 107818.

It is an arithmetic number, because the mean of its divisors is an integer number (152380800).

Almost surely, 2^2057826631 is an apocalyptic number.

2057826631 is a deficient number, since it is larger than the sum of its proper divisors (380266169).

2057826631 is a wasteful number, since it uses less digits than its factorization.

2057826631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21678.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2057826631 is about 45363.2740330766. The cubic root of 2057826631 is about 1271.9486960226.

The spelling of 2057826631 in words is "two billion, fifty-seven million, eight hundred twenty-six thousand, six hundred thirty-one".