319713495813 has 6 divisors (see below), whose sum is σ = 461808382854. Its totient is φ = 213142330536.

The previous prime is 319713495743. The next prime is 319713495821. The reversal of 319713495813 is 318594317913.

319713495813 is a `hidden beast` number, since 3 + 1 + 9 + 7 + 13 + 49 + 581 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 295611864804 + 24101631009 = 543702^2 + 155247^2 .

It is not a de Polignac number, because 319713495813 - 2³⁸ = 44835588869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 319713495813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319713495823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17761860870 + ... + 17761860887.

It is an arithmetic number, because the mean of its divisors is an integer number (76968063809).

Almost surely, 2^319713495813 is an apocalyptic number.

It is an amenable number.

319713495813 is a deficient number, since it is larger than the sum of its proper divisors (142094887041).

319713495813 is a wasteful number, since it uses less digits than its factorization.

319713495813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35523721763 (or 35523721760 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 319713495813 in words is "three hundred nineteen billion, seven hundred thirteen million, four hundred ninety-five thousand, eight hundred thirteen".