56427597918719 has 24 divisors (see below), whose sum is σ = 62565988819488. Its totient is φ = 50784902530560.

The previous prime is 56427597918689. The next prime is 56427597918739. The reversal of 56427597918719 is 91781979572465.

It is not a de Polignac number, because 56427597918719 - 2⁸ = 56427597918463 is a prime.

It is a super-2 number, since 2×56427597918719² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56427597918739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22338329 + ... + 24735725.

It is an arithmetic number, because the mean of its divisors is an integer number (2606916200812).

Almost surely, 2^{56427597918719} is an apocalyptic number.

56427597918719 is a deficient number, since it is larger than the sum of its proper divisors (6138390900769).

56427597918719 is a wasteful number, since it uses less digits than its factorization.

56427597918719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400995 (or 2400978 counting only the distinct ones).

The product of its digits is 2400451200, while the sum is 80.

The spelling of 56427597918719 in words is "fifty-six trillion, four hundred twenty-seven billion, five hundred ninety-seven million, nine hundred eighteen thousand, seven hundred nineteen".