13961332507 has 16 divisors (see below), whose sum is σ = 14446468512. Its totient is φ = 13482270720.

The previous prime is 13961332481. The next prime is 13961332513. The reversal of 13961332507 is 70523316931.

It is a cyclic number.

It is not a de Polignac number, because 13961332507 - 2⁷ = 13961332379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13961332507.

It is not an unprimeable number, because it can be changed into a prime (13961332547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2783632 + ... + 2788642.

It is an arithmetic number, because the mean of its divisors is an integer number (902904282).

Almost surely, 2^13961332507 is an apocalyptic number.

13961332507 is a deficient number, since it is larger than the sum of its proper divisors (485136005).

13961332507 is a wasteful number, since it uses less digits than its factorization.

13961332507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598.

The product of its (nonzero) digits is 102060, while the sum is 40.

The spelling of 13961332507 in words is "thirteen billion, nine hundred sixty-one million, three hundred thirty-two thousand, five hundred seven".