684931214202 has 16 divisors (see below), whose sum is σ = 1376746161600. Its totient is φ = 227163115872.

The previous prime is 684931214183. The next prime is 684931214213. The reversal of 684931214202 is 202412139486.

It is a happy 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, 286820923 + ... + 286823310.

It is an arithmetic number, because the mean of its divisors is an integer number (86046635100).

Almost surely, 2^684931214202 is an apocalyptic number.

684931214202 is an abundant number, since it is smaller than the sum of its proper divisors (691814947398).

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

684931214202 is a wasteful number, since it uses less digits than its factorization.

684931214202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573644437.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 684931214202 in words is "six hundred eighty-four billion, nine hundred thirty-one million, two hundred fourteen thousand, two hundred two".