680013406194 has 16 divisors (see below), whose sum is σ = 1393198198560. Its totient is φ = 221142571040.

The previous prime is 680013406181. The next prime is 680013406249. The reversal of 680013406194 is 491604310086.

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, 1382140824 + ... + 1382141315.

It is an arithmetic number, because the mean of its divisors is an integer number (87074887410).

Almost surely, 2^680013406194 is an apocalyptic number.

680013406194 is an abundant number, since it is smaller than the sum of its proper divisors (713184792366).

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

680013406194 is a wasteful number, since it uses less digits than its factorization.

680013406194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764282185.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 680013406194 in words is "six hundred eighty billion, thirteen million, four hundred six thousand, one hundred ninety-four".