3145257912657 has 24 divisors (see below), whose sum is σ = 4882138250592. Its totient is φ = 1795897958400.

The previous prime is 3145257912649. The next prime is 3145257912733. The reversal of 3145257912657 is 7562197525413.

It is not a de Polignac number, because 3145257912657 - 2³ = 3145257912649 is a prime.

It is the 1773488-th Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 3145257912597 and 3145257912606.

It is not an unprimeable number, because it can be changed into a prime (3145257912157) by changing a digit.

It is a nontrivial repunit in base 1773487.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8096944 + ... + 8476497.

It is an arithmetic number, because the mean of its divisors is an integer number (203422427108).

Almost surely, 2^{3145257912657} is an apocalyptic number.

It is an amenable number.

3145257912657 is a deficient number, since it is larger than the sum of its proper divisors (1736880337935).

3145257912657 is a wasteful number, since it uses less digits than its factorization.

3145257912657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16574749 (or 16574742 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 57.

The spelling of 3145257912657 in words is "three trillion, one hundred forty-five billion, two hundred fifty-seven million, nine hundred twelve thousand, six hundred fifty-seven".