56476425769 has 2 divisors, whose sum is σ = 56476425770. Its totient is φ = 56476425768.

The previous prime is 56476425743. The next prime is 56476425787. The reversal of 56476425769 is 96752467465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31015436544 + 25460989225 = 176112^2 + 159565^2 .

It is a cyclic number.

It is not a de Polignac number, because 56476425769 - 2²⁵ = 56442871337 is a prime.

It is a super-2 number, since 2×56476425769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56476425469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28238212884 + 28238212885.

It is an arithmetic number, because the mean of its divisors is an integer number (28238212885).

Almost surely, 2^56476425769 is an apocalyptic number.

It is an amenable number.

56476425769 is a deficient number, since it is larger than the sum of its proper divisors (1).

56476425769 is an equidigital number, since it uses as much as digits as its factorization.

56476425769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76204800, while the sum is 61.

The spelling of 56476425769 in words is "fifty-six billion, four hundred seventy-six million, four hundred twenty-five thousand, seven hundred sixty-nine".