12957714149 has 4 divisors (see below), whose sum is σ = 13375704960. Its totient is φ = 12539723340.

The previous prime is 12957714113. The next prime is 12957714157. The reversal of 12957714149 is 94141775921.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94141775921 = 401 ⋅234767521.

It is a cyclic number.

It is not a de Polignac number, because 12957714149 - 2²⁴ = 12940936933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12957714097 and 12957714106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12957714949) 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, 208995359 + ... + 208995420.

It is an arithmetic number, because the mean of its divisors is an integer number (3343926240).

Almost surely, 2^12957714149 is an apocalyptic number.

It is an amenable number.

12957714149 is a deficient number, since it is larger than the sum of its proper divisors (417990811).

12957714149 is an equidigital number, since it uses as much as digits as its factorization.

12957714149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417990810.

The product of its digits is 635040, while the sum is 50.

The spelling of 12957714149 in words is "twelve billion, nine hundred fifty-seven million, seven hundred fourteen thousand, one hundred forty-nine".