656310434252213 has 16 divisors (see below), whose sum is σ = 747890899123200. Its totient is φ = 570934570230720.

The previous prime is 656310434252197. The next prime is 656310434252233. The reversal of 656310434252213 is 312252434013656.

It is not a de Polignac number, because 656310434252213 - 2⁴ = 656310434252197 is a prime.

It is a super-2 number, since 2×656310434252213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656310434252233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6955783358 + ... + 6955877711.

It is an arithmetic number, because the mean of its divisors is an integer number (46743181195200).

Almost surely, 2^{656310434252213} is an apocalyptic number.

It is an amenable number.

656310434252213 is a deficient number, since it is larger than the sum of its proper divisors (91580464870987).

656310434252213 is a wasteful number, since it uses less digits than its factorization.

656310434252213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13911661292.

The product of its (nonzero) digits is 3110400, while the sum is 47.

Adding to 656310434252213 its reverse (312252434013656), we get a palindrome (968562868265869).

The spelling of 656310434252213 in words is "six hundred fifty-six trillion, three hundred ten billion, four hundred thirty-four million, two hundred fifty-two thousand, two hundred thirteen".