680707404134 has 16 divisors (see below), whose sum is σ = 1038911234928. Its totient is φ = 334429251552.

The previous prime is 680707404127. The next prime is 680707404197. The reversal of 680707404134 is 431404707086.

It is a Curzon number.

It is a congruent 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, 6344669 + ... + 6451064.

It is an arithmetic number, because the mean of its divisors is an integer number (64931952183).

Almost surely, 2^680707404134 is an apocalyptic number.

680707404134 is a deficient number, since it is larger than the sum of its proper divisors (358203830794).

680707404134 is a wasteful number, since it uses less digits than its factorization.

680707404134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12796199.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 680707404134 in words is "six hundred eighty billion, seven hundred seven million, four hundred four thousand, one hundred thirty-four".