319589856917 has 4 divisors (see below), whose sum is σ = 319750699296. Its totient is φ = 319429014540.

The previous prime is 319589856907. The next prime is 319589856931. The reversal of 319589856917 is 719658985913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 319589856917 - 2⁶ = 319589856853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319589856907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80418209 + ... + 80422182.

It is an arithmetic number, because the mean of its divisors is an integer number (79937674824).

Almost surely, 2^319589856917 is an apocalyptic number.

It is an amenable number.

319589856917 is a deficient number, since it is larger than the sum of its proper divisors (160842379).

319589856917 is a wasteful number, since it uses less digits than its factorization.

319589856917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160842378.

The product of its digits is 146966400, while the sum is 71.

The spelling of 319589856917 in words is "three hundred nineteen billion, five hundred eighty-nine million, eight hundred fifty-six thousand, nine hundred seventeen".