13527243957 has 4 divisors (see below), whose sum is σ = 18036325280. Its totient is φ = 9018162636.

The previous prime is 13527243949. The next prime is 13527244019. The reversal of 13527243957 is 75934272531.

13527243957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13527243957 - 2³ = 13527243949 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 (13527243937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254540657 + ... + 2254540662.

It is an arithmetic number, because the mean of its divisors is an integer number (4509081320).

Almost surely, 2^13527243957 is an apocalyptic number.

It is an amenable number.

13527243957 is a deficient number, since it is larger than the sum of its proper divisors (4509081323).

13527243957 is an equidigital number, since it uses as much as digits as its factorization.

13527243957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509081322.

The product of its digits is 1587600, while the sum is 48.

The spelling of 13527243957 in words is "thirteen billion, five hundred twenty-seven million, two hundred forty-three thousand, nine hundred fifty-seven".