13449639768700 has 36 divisors (see below), whose sum is σ = 30721808739160. Its totient is φ = 5096705595840.

The previous prime is 13449639768671. The next prime is 13449639768713. The reversal of 13449639768700 is 786793694431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3539376987 + ... + 3539380786.

Almost surely, 2^{13449639768700} is an apocalyptic number.

13449639768700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13449639768700 is an abundant number, since it is smaller than the sum of its proper divisors (17272168970460).

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

13449639768700 is a wasteful number, since it uses less digits than its factorization.

13449639768700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078757806 (or 7078757799 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 67.

The spelling of 13449639768700 in words is "thirteen trillion, four hundred forty-nine billion, six hundred thirty-nine million, seven hundred sixty-eight thousand, seven hundred".