13102403807691 has 96 divisors (see below), whose sum is σ = 21016077708288. Its totient is φ = 7799563768320.

The previous prime is 13102403807677. The next prime is 13102403807723. The reversal of 13102403807691 is 19670830420131.

13102403807691 is a `hidden beast` number, since 1 + 3 + 10 + 2 + 403 + 80 + 76 + 91 = 666.

It is not a de Polignac number, because 13102403807691 - 2¹⁴ = 13102403791307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13102403807651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2087364045 + ... + 2087370321.

It is an arithmetic number, because the mean of its divisors is an integer number (218917476128).

Almost surely, 2^{13102403807691} is an apocalyptic number.

13102403807691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13102403807691 is a deficient number, since it is larger than the sum of its proper divisors (7913673900597).

13102403807691 is a wasteful number, since it uses less digits than its factorization.

13102403807691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521 (or 7518 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 13102403807691 in words is "thirteen trillion, one hundred two billion, four hundred three million, eight hundred seven thousand, six hundred ninety-one".