13997264129 has 4 divisors (see below), whose sum is σ = 13997712084. Its totient is φ = 13996816176.

The previous prime is 13997264111. The next prime is 13997264173. The reversal of 13997264129 is 92146279931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5226567025 + 8770697104 = 72295^2 + 93652^2 .

It is a cyclic number.

It is not a de Polignac number, because 13997264129 - 2²⁴ = 13980486913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13997260129) 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 3 ways as a sum of consecutive naturals, for example, 173282 + ... + 240875.

It is an arithmetic number, because the mean of its divisors is an integer number (3499428021).

Almost surely, 2^13997264129 is an apocalyptic number.

It is an amenable number.

13997264129 is a deficient number, since it is larger than the sum of its proper divisors (447955).

13997264129 is an equidigital number, since it uses as much as digits as its factorization.

13997264129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447954.

The product of its digits is 1469664, while the sum is 53.

The spelling of 13997264129 in words is "thirteen billion, nine hundred ninety-seven million, two hundred sixty-four thousand, one hundred twenty-nine".