2597137128 has 64 divisors (see below), whose sum is σ = 7390252800. Its totient is φ = 844594560.

The previous prime is 2597137019. The next prime is 2597137163. The reversal of 2597137128 is 8217317952.

2597137128 is a `hidden beast` number, since 2 + 597 + 1 + 37 + 1 + 28 = 666.

2597137128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137776 + ... + 155487.

It is an arithmetic number, because the mean of its divisors is an integer number (115472700).

Almost surely, 2^2597137128 is an apocalyptic number.

It is an amenable number.

2597137128 is an abundant number, since it is smaller than the sum of its proper divisors (4793115672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2597137128 is a wasteful number, since it uses less digits than its factorization.

2597137128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293319 (or 293309 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 2597137128 is about 50962.1146343046. The cubic root of 2597137128 is about 1374.5639834936.

The spelling of 2597137128 in words is "two billion, five hundred ninety-seven million, one hundred thirty-seven thousand, one hundred twenty-eight".