13297944965 has 8 divisors (see below), whose sum is σ = 15981249048. Its totient is φ = 10622545920.

The previous prime is 13297944899. The next prime is 13297945051. The reversal of 13297944965 is 56944979231.

It can be written as a sum of positive squares in 4 ways, for example, as 71334916 + 13226610049 = 8446^2 + 115007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13297944965 - 2²⁸ = 13029509509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972556 + ... + 1979285.

It is an arithmetic number, because the mean of its divisors is an integer number (1997656131).

Almost surely, 2^13297944965 is an apocalyptic number.

It is an amenable number.

13297944965 is a deficient number, since it is larger than the sum of its proper divisors (2683304083).

13297944965 is an equidigital number, since it uses as much as digits as its factorization.

13297944965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952519.

The product of its digits is 14696640, while the sum is 59.

The spelling of 13297944965 in words is "thirteen billion, two hundred ninety-seven million, nine hundred forty-four thousand, nine hundred sixty-five".