56334649313 has 2 divisors, whose sum is σ = 56334649314. Its totient is φ = 56334649312.

The previous prime is 56334649253. The next prime is 56334649331. The reversal of 56334649313 is 31394643365.

Together with next prime (56334649331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55945494784 + 389154529 = 236528^2 + 19727^2 .

It is a cyclic number.

It is not a de Polignac number, because 56334649313 - 2²⁴ = 56317872097 is a prime.

It is not a weakly prime, because it can be changed into another prime (56334649213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28167324656 + 28167324657.

It is an arithmetic number, because the mean of its divisors is an integer number (28167324657).

Almost surely, 2^56334649313 is an apocalyptic number.

It is an amenable number.

56334649313 is a deficient number, since it is larger than the sum of its proper divisors (1).

56334649313 is an equidigital number, since it uses as much as digits as its factorization.

56334649313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 47.

The spelling of 56334649313 in words is "fifty-six billion, three hundred thirty-four million, six hundred forty-nine thousand, three hundred thirteen".