2057901892 has 24 divisors (see below), whose sum is σ = 3732979712. Its totient is φ = 991612800.

The previous prime is 2057901863. The next prime is 2057901893. The reversal of 2057901892 is 2981097502.

It is not an unprimeable number, because it can be changed into a prime (2057901893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548 + ... + 64315.

Almost surely, 2^2057901892 is an apocalyptic number.

It is an amenable number.

2057901892 is a deficient number, since it is larger than the sum of its proper divisors (1675077820).

2057901892 is a wasteful number, since it uses less digits than its factorization.

2057901892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69139 (or 69137 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 2057901892 is about 45364.1035621779. The cubic root of 2057901892 is about 1271.9642021820.

It can be divided in two parts, 205 and 7901892, that added together give a palindrome (7902097).

The spelling of 2057901892 in words is "two billion, fifty-seven million, nine hundred one thousand, eight hundred ninety-two".