12574660509 has 8 divisors (see below), whose sum is σ = 18629126720. Its totient is φ = 8383106988.

The previous prime is 12574660481. The next prime is 12574660513. The reversal of 12574660509 is 90506647521.

12574660509 is a `hidden beast` number, since 12 + 5 + 74 + 6 + 60 + 509 = 666.

It is not a de Polignac number, because 12574660509 - 2⁷ = 12574660381 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 (12574660559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232864057 + ... + 232864110.

It is an arithmetic number, because the mean of its divisors is an integer number (2328640840).

Almost surely, 2^12574660509 is an apocalyptic number.

It is an amenable number.

12574660509 is a deficient number, since it is larger than the sum of its proper divisors (6054466211).

12574660509 is an equidigital number, since it uses as much as digits as its factorization.

12574660509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465728176 (or 465728170 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 12574660509 in words is "twelve billion, five hundred seventy-four million, six hundred sixty thousand, five hundred nine".