656313631626425 has 12 divisors (see below), whose sum is σ = 827622613442640. Its totient is φ = 516151737413520.

The previous prime is 656313631626403. The next prime is 656313631626467. The reversal of 656313631626425 is 524626136313656.

It is not a de Polignac number, because 656313631626425 - 2¹⁰ = 656313631625401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222479195687 + ... + 222479198636.

It is an arithmetic number, because the mean of its divisors is an integer number (68968551120220).

Almost surely, 2^{656313631626425} is an apocalyptic number.

It is an amenable number.

656313631626425 is a deficient number, since it is larger than the sum of its proper divisors (171308981816215).

656313631626425 is a wasteful number, since it uses less digits than its factorization.

656313631626425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444958394392 (or 444958394387 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 59.

The spelling of 656313631626425 in words is "six hundred fifty-six trillion, three hundred thirteen billion, six hundred thirty-one million, six hundred twenty-six thousand, four hundred twenty-five".