65413379232 has 72 divisors (see below), whose sum is σ = 187267871700. Its totient is φ = 21658106880.

The previous prime is 65413379209. The next prime is 65413379257. The reversal of 65413379232 is 23297331456.

65413379232 is a `hidden beast` number, since 6 + 5 + 41 + 3 + 379 + 232 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64457085456 + 956293776 = 253884^2 + 30924^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 719269 + ... + 805092.

Almost surely, 2^65413379232 is an apocalyptic number.

It is an amenable number.

65413379232 is an abundant number, since it is smaller than the sum of its proper divisors (121854492468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65413379232 is a wasteful number, since it uses less digits than its factorization.

65413379232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524526 (or 1524515 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The spelling of 65413379232 in words is "sixty-five billion, four hundred thirteen million, three hundred seventy-nine thousand, two hundred thirty-two".