56765176613 has 2 divisors, whose sum is σ = 56765176614. Its totient is φ = 56765176612.

The previous prime is 56765176591. The next prime is 56765176627. The reversal of 56765176613 is 31667156765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41413471009 + 15351705604 = 203503^2 + 123902^2 .

It is a cyclic number.

It is not a de Polignac number, because 56765176613 - 2²² = 56760982309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56765173613) by changing a digit.

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 as a sum of consecutive naturals, namely, 28382588306 + 28382588307.

It is an arithmetic number, because the mean of its divisors is an integer number (28382588307).

Almost surely, 2^56765176613 is an apocalyptic number.

It is an amenable number.

56765176613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56765176613 is an equidigital number, since it uses as much as digits as its factorization.

56765176613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 53.

The spelling of 56765176613 in words is "fifty-six billion, seven hundred sixty-five million, one hundred seventy-six thousand, six hundred thirteen".