319638326943 has 12 divisors (see below), whose sum is σ = 461489656200. Its totient is φ = 196700508576.

The previous prime is 319638326923. The next prime is 319638326947. The reversal of 319638326943 is 349623836913.

It is not a de Polignac number, because 319638326943 - 2⁹ = 319638326431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319638326947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315224668 + ... + 315225681.

It is an arithmetic number, because the mean of its divisors is an integer number (38457471350).

Almost surely, 2^319638326943 is an apocalyptic number.

319638326943 is a deficient number, since it is larger than the sum of its proper divisors (141851329257).

319638326943 is a wasteful number, since it uses less digits than its factorization.

319638326943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630450378 (or 630450365 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 57.

The spelling of 319638326943 in words is "three hundred nineteen billion, six hundred thirty-eight million, three hundred twenty-six thousand, nine hundred forty-three".