13799149562691 has 32 divisors (see below), whose sum is σ = 21104604323840. Its totient is φ = 8901849326400.

The previous prime is 13799149562651. The next prime is 13799149562713. The reversal of 13799149562691 is 19626594199731.

13799149562691 is a `hidden beast` number, since 1 + 3 + 79 + 9 + 1 + 495 + 6 + 2 + 69 + 1 = 666.

13799149562691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13799149562691 - 2¹⁰ = 13799149561667 is a prime.

It is a super-2 number, since 2×13799149562691² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13799149562651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8304471 + ... + 9826623.

It is an arithmetic number, because the mean of its divisors is an integer number (659518885120).

Almost surely, 2^{13799149562691} is an apocalyptic number.

13799149562691 is a deficient number, since it is larger than the sum of its proper divisors (7305454761149).

13799149562691 is a wasteful number, since it uses less digits than its factorization.

13799149562691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533024 (or 1533018 counting only the distinct ones).

The product of its digits is 198404640, while the sum is 72.

The spelling of 13799149562691 in words is "thirteen trillion, seven hundred ninety-nine billion, one hundred forty-nine million, five hundred sixty-two thousand, six hundred ninety-one".