12457913459 has 4 divisors (see below), whose sum is σ = 12460777104. Its totient is φ = 12455049816.

The previous prime is 12457913443. The next prime is 12457913491. The reversal of 12457913459 is 95431975421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95431975421 = 17 ⋅5613645613.

It is a cyclic number.

It is not a de Polignac number, because 12457913459 - 2⁴ = 12457913443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12457913359) 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, 1425287 + ... + 1434000.

It is an arithmetic number, because the mean of its divisors is an integer number (3115194276).

Almost surely, 2^12457913459 is an apocalyptic number.

12457913459 is a deficient number, since it is larger than the sum of its proper divisors (2863645).

12457913459 is an equidigital number, since it uses as much as digits as its factorization.

12457913459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863644.

The product of its digits is 1360800, while the sum is 50.

The spelling of 12457913459 in words is "twelve billion, four hundred fifty-seven million, nine hundred thirteen thousand, four hundred fifty-nine".