13691359604736 has 832 divisors, whose sum is σ = 45456574394880. Its totient is φ = 4037050368000.

The previous prime is 13691359604693. The next prime is 13691359604737. The reversal of 13691359604736 is 63740695319631.

13691359604736 is a `hidden beast` number, since 1 + 3 + 6 + 9 + 1 + 3 + 596 + 0 + 4 + 7 + 36 = 666.

It is not an unprimeable number, because it can be changed into a prime (13691359604737) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8446242006 + ... + 8446243626.

Almost surely, 2^{13691359604736} is an apocalyptic number.

13691359604736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13691359604736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22728287197440).

13691359604736 is an abundant number, since it is smaller than the sum of its proper divisors (31765214790144).

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

13691359604736 is a wasteful number, since it uses less digits than its factorization.

13691359604736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 63.

The spelling of 13691359604736 in words is "thirteen trillion, six hundred ninety-one billion, three hundred fifty-nine million, six hundred four thousand, seven hundred thirty-six".