14991164731 has 2 divisors, whose sum is σ = 14991164732. Its totient is φ = 14991164730.

The previous prime is 14991164707. The next prime is 14991164761. The reversal of 14991164731 is 13746119941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14991164731 - 2¹⁵ = 14991131963 is a prime.

It is a super-2 number, since 2×14991164731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14991164761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7495582365 + 7495582366.

It is an arithmetic number, because the mean of its divisors is an integer number (7495582366).

Almost surely, 2^14991164731 is an apocalyptic number.

14991164731 is a deficient number, since it is larger than the sum of its proper divisors (1).

14991164731 is an equidigital number, since it uses as much as digits as its factorization.

14991164731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The spelling of 14991164731 in words is "fourteen billion, nine hundred ninety-one million, one hundred sixty-four thousand, seven hundred thirty-one".