13964606091 has 8 divisors (see below), whose sum is σ = 20688305360. Its totient is φ = 9309737376.

The previous prime is 13964606087. The next prime is 13964606141. The reversal of 13964606091 is 19060646931.

13964606091 is a `hidden beast` number, since 1 + 39 + 6 + 4 + 6 + 0 + 609 + 1 = 666.

13964606091 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 13964606091 - 2² = 13964606087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13964606291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258603790 + ... + 258603843.

It is an arithmetic number, because the mean of its divisors is an integer number (2586038170).

Almost surely, 2^13964606091 is an apocalyptic number.

13964606091 is a deficient number, since it is larger than the sum of its proper divisors (6723699269).

13964606091 is an equidigital number, since it uses as much as digits as its factorization.

13964606091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517207642 (or 517207636 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 13964606091 in words is "thirteen billion, nine hundred sixty-four million, six hundred six thousand, ninety-one".