12957425254429 has 4 divisors (see below), whose sum is σ = 12965428607040. Its totient is φ = 12949421901820.

The previous prime is 12957425254421. The next prime is 12957425254463. The reversal of 12957425254429 is 92445252475921.

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 12957425254429 - 2³ = 12957425254421 is a prime.

It is a super-2 number, since 2×12957425254429² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12957425254421) 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, 4001673877 + ... + 4001677114.

It is an arithmetic number, because the mean of its divisors is an integer number (3241357151760).

Almost surely, 2^{12957425254429} is an apocalyptic number.

It is an amenable number.

12957425254429 is a deficient number, since it is larger than the sum of its proper divisors (8003352611).

12957425254429 is an equidigital number, since it uses as much as digits as its factorization.

12957425254429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003352610.

The product of its digits is 72576000, while the sum is 61.

The spelling of 12957425254429 in words is "twelve trillion, nine hundred fifty-seven billion, four hundred twenty-five million, two hundred fifty-four thousand, four hundred twenty-nine".