19312318079 has 8 divisors (see below), whose sum is σ = 19334888448. Its totient is φ = 19289764440.

The previous prime is 19312318049. The next prime is 19312318159. The reversal of 19312318079 is 97081321391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19312318079 - 2¹⁶ = 19312252543 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 (19312318049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5693474 + ... + 5696864.

It is an arithmetic number, because the mean of its divisors is an integer number (2416861056).

Almost surely, 2^19312318079 is an apocalyptic number.

19312318079 is a deficient number, since it is larger than the sum of its proper divisors (22570369).

19312318079 is a wasteful number, since it uses less digits than its factorization.

19312318079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8365.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 19312318079 in words is "nineteen billion, three hundred twelve million, three hundred eighteen thousand, seventy-nine".