319856368822 has 4 divisors (see below), whose sum is σ = 479784553236. Its totient is φ = 159928184410.

The previous prime is 319856368781. The next prime is 319856368829. The reversal of 319856368822 is 228863658913.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228863658913 = 103 ⋅2221977271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319856368829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79964092204 + ... + 79964092207.

It is an arithmetic number, because the mean of its divisors is an integer number (119946138309).

Almost surely, 2^319856368822 is an apocalyptic number.

319856368822 is a deficient number, since it is larger than the sum of its proper divisors (159928184414).

319856368822 is a wasteful number, since it uses less digits than its factorization.

319856368822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159928184413.

The product of its digits is 29859840, while the sum is 61.

The spelling of 319856368822 in words is "three hundred nineteen billion, eight hundred fifty-six million, three hundred sixty-eight thousand, eight hundred twenty-two".