684931214204 has 12 divisors (see below), whose sum is σ = 1198975773744. Its totient is φ = 342366707424.

The previous prime is 684931214183. The next prime is 684931214213. The reversal of 684931214204 is 402412139486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24709337 + ... + 24737040.

It is an arithmetic number, because the mean of its divisors is an integer number (99914647812).

Almost surely, 2^684931214204 is an apocalyptic number.

It is an amenable number.

684931214204 is a deficient number, since it is larger than the sum of its proper divisors (514044559540).

684931214204 is a wasteful number, since it uses less digits than its factorization.

684931214204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49449844 (or 49449842 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 684931214204 in words is "six hundred eighty-four billion, nine hundred thirty-one million, two hundred fourteen thousand, two hundred four".