13913495694720 has 128 divisors (see below), whose sum is σ = 49276963980000. Its totient is φ = 3710265513984.

The previous prime is 13913495694671. The next prime is 13913495694727. The reversal of 13913495694720 is 2749659431931.

It is a happy number.

13913495694720 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 3 + 4 + 9 + 569 + 47 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13913495694727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402572295 + ... + 402606854.

Almost surely, 2^{13913495694720} is an apocalyptic number.

13913495694720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13913495694720 is an abundant number, since it is smaller than the sum of its proper divisors (35363468285280).

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

13913495694720 is an equidigital number, since it uses as much as digits as its factorization.

13913495694720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805179177 (or 805179159 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 63.

The spelling of 13913495694720 in words is "thirteen trillion, nine hundred thirteen billion, four hundred ninety-five million, six hundred ninety-four thousand, seven hundred twenty".