13694242957 has 4 divisors (see below), whose sum is σ = 13859233920. Its totient is φ = 13529251996.

The previous prime is 13694242949. The next prime is 13694242999. The reversal of 13694242957 is 75924249631.

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 a cyclic number.

It is not a de Polignac number, because 13694242957 - 2³ = 13694242949 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 (13694242907) 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, 82495357 + ... + 82495522.

It is an arithmetic number, because the mean of its divisors is an integer number (3464808480).

Almost surely, 2^13694242957 is an apocalyptic number.

It is an amenable number.

13694242957 is a deficient number, since it is larger than the sum of its proper divisors (164990963).

13694242957 is an equidigital number, since it uses as much as digits as its factorization.

13694242957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164990962.

The product of its digits is 3265920, while the sum is 52.

The spelling of 13694242957 in words is "thirteen billion, six hundred ninety-four million, two hundred forty-two thousand, nine hundred fifty-seven".