319926451312 has 20 divisors (see below), whose sum is σ = 667538845960. Its totient is φ = 147658362048.

The previous prime is 319926451267. The next prime is 319926451319. The reversal of 319926451312 is 213154629913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319926451319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769053762 + ... + 769054177.

It is an arithmetic number, because the mean of its divisors is an integer number (33376942298).

Almost surely, 2^319926451312 is an apocalyptic number.

It is an amenable number.

319926451312 is an abundant number, since it is smaller than the sum of its proper divisors (347612394648).

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

319926451312 is a wasteful number, since it uses less digits than its factorization.

319926451312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538107960 (or 1538107954 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The spelling of 319926451312 in words is "three hundred nineteen billion, nine hundred twenty-six million, four hundred fifty-one thousand, three hundred twelve".