56469641773 has 4 divisors (see below), whose sum is σ = 57104132220. Its totient is φ = 55835151328.

The previous prime is 56469641731. The next prime is 56469641777. The reversal of 56469641773 is 37714696465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11354607364 + 45115034409 = 106558^2 + 212403^2 .

It is a cyclic number.

It is not a de Polignac number, because 56469641773 - 2²⁵ = 56436087341 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56469641777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317245090 + ... + 317245267.

It is an arithmetic number, because the mean of its divisors is an integer number (14276033055).

Almost surely, 2^56469641773 is an apocalyptic number.

It is an amenable number.

56469641773 is a deficient number, since it is larger than the sum of its proper divisors (634490447).

56469641773 is an equidigital number, since it uses as much as digits as its factorization.

56469641773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634490446.

The product of its digits is 22861440, while the sum is 58.

The spelling of 56469641773 in words is "fifty-six billion, four hundred sixty-nine million, six hundred forty-one thousand, seven hundred seventy-three".