2597345631808 has 28 divisors (see below), whose sum is σ = 5154574778460. Its totient is φ = 1298555136512.

The previous prime is 2597345631773. The next prime is 2597345631823. The reversal of 2597345631808 is 8081365437952.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1357579183104 + 1239766448704 = 1165152^2 + 1113448^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124791 + ... + 2541622.

It is a 1-persistent number, because it is pandigital, but 2⋅2597345631808 = 5194691263616 is not.

Almost surely, 2^{2597345631808} is an apocalyptic number.

It is an amenable number.

2597345631808 is a deficient number, since it is larger than the sum of its proper divisors (2557229146652).

2597345631808 is a wasteful number, since it uses less digits than its factorization.

2597345631808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677494 (or 3677484 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 2597345631808 in words is "two trillion, five hundred ninety-seven billion, three hundred forty-five million, six hundred thirty-one thousand, eight hundred eight".