56427399372465 has 24 divisors (see below), whose sum is σ = 106699082450688. Its totient is φ = 27358739089440.

The previous prime is 56427399372439. The next prime is 56427399372479.

It is a happy number.

56427399372465 is a `hidden beast` number, since 5 + 6 + 4 + 2 + 7 + 3 + 9 + 93 + 72 + 465 = 666.

56427399372465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56427399372465 - 2⁸ = 56427399372209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56427399372393 and 56427399372402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56997372609 + ... + 56997373598.

It is an arithmetic number, because the mean of its divisors is an integer number (4445795102112).

Almost surely, 2^{56427399372465} is an apocalyptic number.

56427399372465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56427399372465 is a deficient number, since it is larger than the sum of its proper divisors (50271683078223).

56427399372465 is a wasteful number, since it uses less digits than its factorization.

56427399372465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113994746229 (or 113994746226 counting only the distinct ones).

The product of its digits is 2057529600, while the sum is 72.

The spelling of 56427399372465 in words is "fifty-six trillion, four hundred twenty-seven billion, three hundred ninety-nine million, three hundred seventy-two thousand, four hundred sixty-five".