56431613465 has 8 divisors (see below), whose sum is σ = 67726750848. Its totient is φ = 45139414320.

The previous prime is 56431613443. The next prime is 56431613521.

56431613465 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 56431613465 - 2⁶ = 56431613401 is a prime.

It is a Duffinian 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, 692081 + ... + 769310.

It is an arithmetic number, because the mean of its divisors is an integer number (8465843856).

Almost surely, 2^56431613465 is an apocalyptic number.

It is an amenable number.

56431613465 is a deficient number, since it is larger than the sum of its proper divisors (11295137383).

56431613465 is a wasteful number, since it uses less digits than its factorization.

56431613465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469119.

The product of its digits is 777600, while the sum is 44.

The spelling of 56431613465 in words is "fifty-six billion, four hundred thirty-one million, six hundred thirteen thousand, four hundred sixty-five".