13957107965 has 8 divisors (see below), whose sum is σ = 17326065240. Its totient is φ = 10780662592.

The previous prime is 13957107961. The next prime is 13957107971. The reversal of 13957107965 is 56970175931.

It can be written as a sum of positive squares in 4 ways, for example, as 6140603044 + 7816504921 = 78362^2 + 88411^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13957107965 - 2² = 13957107961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13957107961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48127814 + ... + 48128103.

It is an arithmetic number, because the mean of its divisors is an integer number (2165758155).

Almost surely, 2^13957107965 is an apocalyptic number.

It is an amenable number.

13957107965 is a deficient number, since it is larger than the sum of its proper divisors (3368957275).

13957107965 is an equidigital number, since it uses as much as digits as its factorization.

13957107965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96255951.

The product of its (nonzero) digits is 1786050, while the sum is 53.

The spelling of 13957107965 in words is "thirteen billion, nine hundred fifty-seven million, one hundred seven thousand, nine hundred sixty-five".