56397479365 has 8 divisors (see below), whose sum is σ = 67940311320. Its totient is φ = 44942426112.

The previous prime is 56397479323. The next prime is 56397479371.

56397479365 is nontrivially palindromic in base 10.

56397479365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10725087844 + 45672391521 = 103562^2 + 213711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56397479365 - 2²¹ = 56395382213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56397479297 and 56397479306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21943260 + ... + 21945829.

It is an arithmetic number, because the mean of its divisors is an integer number (8492538915).

Almost surely, 2^56397479365 is an apocalyptic number.

It is an amenable number.

56397479365 is a deficient number, since it is larger than the sum of its proper divisors (11542831955).

56397479365 is a wasteful number, since it uses less digits than its factorization.

56397479365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43889351.

The product of its digits is 128595600, while the sum is 64.

The spelling of 56397479365 in words is "fifty-six billion, three hundred ninety-seven million, four hundred seventy-nine thousand, three hundred sixty-five".