684692534464 has 14 divisors (see below), whose sum is σ = 1358686748204. Its totient is φ = 342346267200.

The previous prime is 684692534459. The next prime is 684692534509. The reversal of 684692534464 is 464435296486.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5349160362 + ... + 5349160489.

Almost surely, 2^684692534464 is an apocalyptic number.

684692534464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

684692534464 is a deficient number, since it is larger than the sum of its proper divisors (673994213740).

684692534464 is a wasteful number, since it uses less digits than its factorization.

684692534464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10698320863 (or 10698320853 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 61.

The spelling of 684692534464 in words is "six hundred eighty-four billion, six hundred ninety-two million, five hundred thirty-four thousand, four hundred sixty-four".