57409479639 has 12 divisors (see below), whose sum is σ = 82965026976. Its totient is φ = 38254421952.

The previous prime is 57409479623. The next prime is 57409479649. The reversal of 57409479639 is 93697490475.

It is not a de Polignac number, because 57409479639 - 2⁴ = 57409479623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57409479649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1527442 + ... + 1564575.

It is an arithmetic number, because the mean of its divisors is an integer number (6913752248).

Almost surely, 2^57409479639 is an apocalyptic number.

57409479639 is a deficient number, since it is larger than the sum of its proper divisors (25555547337).

57409479639 is a wasteful number, since it uses less digits than its factorization.

57409479639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094086 (or 3094083 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 57409479639 in words is "fifty-seven billion, four hundred nine million, four hundred seventy-nine thousand, six hundred thirty-nine".