2057901897 has 8 divisors (see below), whose sum is σ = 2744084800. Its totient is φ = 1371826800.

The previous prime is 2057901893. The next prime is 2057901907. The reversal of 2057901897 is 7981097502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2057901897 - 2² = 2057901893 is a prime.

It is a Duffinian number.

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, 45147 + ... + 78447.

It is an arithmetic number, because the mean of its divisors is an integer number (343010600).

Almost surely, 2^2057901897 is an apocalyptic number.

It is an amenable number.

2057901897 is a deficient number, since it is larger than the sum of its proper divisors (686182903).

2057901897 is a wasteful number, since it uses less digits than its factorization.

2057901897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53903.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 2057901897 is about 45364.1036172875. The cubic root of 2057901897 is about 1271.9642032122.

The spelling of 2057901897 in words is "two billion, fifty-seven million, nine hundred one thousand, eight hundred ninety-seven".