13379699445328 has 20 divisors (see below), whose sum is σ = 25925216843988. Its totient is φ = 6689320904960.

The previous prime is 13379699445319. The next prime is 13379699445347. The reversal of 13379699445328 is 82354499697331.

It can be written as a sum of positive squares in 2 ways, for example, as 514479121984 + 12865220323344 = 717272^2 + 3586812^2 .

It is a super-2 number, since 2×13379699445328² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32842333 + ... + 33247228.

Almost surely, 2^{13379699445328} is an apocalyptic number.

It is an amenable number.

13379699445328 is a deficient number, since it is larger than the sum of its proper divisors (12545517398660).

13379699445328 is a wasteful number, since it uses less digits than its factorization.

13379699445328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66102222 (or 66102216 counting only the distinct ones).

The product of its digits is 1058158080, while the sum is 73.

The spelling of 13379699445328 in words is "thirteen trillion, three hundred seventy-nine billion, six hundred ninety-nine million, four hundred forty-five thousand, three hundred twenty-eight".