319749427676 has 18 divisors (see below), whose sum is σ = 650918478168. Its totient is φ = 137035468920.

The previous prime is 319749427663. The next prime is 319749427681. The reversal of 319749427676 is 676724947913.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 815687120 + ... + 815687511.

It is an arithmetic number, because the mean of its divisors is an integer number (36162137676).

Almost surely, 2^319749427676 is an apocalyptic number.

It is an amenable number.

319749427676 is an abundant number, since it is smaller than the sum of its proper divisors (331169050492).

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

319749427676 is a wasteful number, since it uses less digits than its factorization.

319749427676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631374649 (or 1631374640 counting only the distinct ones).

The product of its digits is 96018048, while the sum is 65.

The spelling of 319749427676 in words is "three hundred nineteen billion, seven hundred forty-nine million, four hundred twenty-seven thousand, six hundred seventy-six".