319438552648336 has 135 divisors (see below), whose sum is σ = 718014805617123. Its totient is φ = 137550837251520.

The previous prime is 319438552648333. The next prime is 319438552648493. The reversal of 319438552648336 is 633846255834913.

It is a happy number.

The square root of 319438552648336 is 17872844.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (319438552648331) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14941686895 + ... + 14941708273.

Almost surely, 2^{319438552648336} is an apocalyptic number.

319438552648336 is the 17872844-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319438552648336

319438552648336 is an abundant number, since it is smaller than the sum of its proper divisors (398576252968787).

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

319438552648336 is an frugal number, since it uses more digits than its factorization.

319438552648336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42826 (or 21411 counting only the distinct ones).

The product of its digits is 1343692800, while the sum is 70.

The spelling of 319438552648336 in words is "three hundred nineteen trillion, four hundred thirty-eight billion, five hundred fifty-two million, six hundred forty-eight thousand, three hundred thirty-six".