13682050957 has 4 divisors (see below), whose sum is σ = 14051836156. Its totient is φ = 13312265760.

The previous prime is 13682050939. The next prime is 13682050997. The reversal of 13682050957 is 75905028631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75905028631 = 59 ⋅1286525909.

It can be written as a sum of positive squares in 2 ways, for example, as 10370163556 + 3311887401 = 101834^2 + 57549^2 .

It is a cyclic number.

It is not a de Polignac number, because 13682050957 - 2⁷ = 13682050829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13682050997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184892544 + ... + 184892617.

It is an arithmetic number, because the mean of its divisors is an integer number (3512959039).

Almost surely, 2^13682050957 is an apocalyptic number.

It is an amenable number.

13682050957 is a deficient number, since it is larger than the sum of its proper divisors (369785199).

13682050957 is an equidigital number, since it uses as much as digits as its factorization.

13682050957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369785198.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 13682050957 in words is "thirteen billion, six hundred eighty-two million, fifty thousand, nine hundred fifty-seven".