680538543910904 has 32 divisors (see below), whose sum is σ = 1473330868272480. Its totient is φ = 288652578269184.

The previous prime is 680538543910891. The next prime is 680538543910913. The reversal of 680538543910904 is 409019345835086.

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, 62641613117 + ... + 62641623980.

It is an arithmetic number, because the mean of its divisors is an integer number (46041589633515).

Almost surely, 2^{680538543910904} is an apocalyptic number.

It is an amenable number.

680538543910904 is an abundant number, since it is smaller than the sum of its proper divisors (792792324361576).

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

680538543910904 is a wasteful number, since it uses less digits than its factorization.

680538543910904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125283237207 (or 125283237203 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 680538543910904 in words is "six hundred eighty trillion, five hundred thirty-eight billion, five hundred forty-three million, nine hundred ten thousand, nine hundred four".