56713948491 has 4 divisors (see below), whose sum is σ = 75618597992. Its totient is φ = 37809298992.

The previous prime is 56713948471. The next prime is 56713948531. The reversal of 56713948491 is 19484931765.

It is a happy number.

56713948491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56713948491 - 2⁶ = 56713948427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56713948471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9452324746 + ... + 9452324751.

It is an arithmetic number, because the mean of its divisors is an integer number (18904649498).

Almost surely, 2^56713948491 is an apocalyptic number.

56713948491 is a deficient number, since it is larger than the sum of its proper divisors (18904649501).

56713948491 is a wasteful number, since it uses less digits than its factorization.

56713948491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18904649500.

The product of its digits is 6531840, while the sum is 57.

The spelling of 56713948491 in words is "fifty-six billion, seven hundred thirteen million, nine hundred forty-eight thousand, four hundred ninety-one".