12439418675 has 12 divisors (see below), whose sum is σ = 15443646960. Its totient is φ = 9939426720.

The previous prime is 12439418671. The next prime is 12439418681. The reversal of 12439418675 is 57681493421.

It is a happy number.

It is not a de Polignac number, because 12439418675 - 2² = 12439418671 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12439418671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281720 + ... + 322869.

It is an arithmetic number, because the mean of its divisors is an integer number (1286970580).

Almost surely, 2^12439418675 is an apocalyptic number.

12439418675 is a deficient number, since it is larger than the sum of its proper divisors (3004228285).

12439418675 is an equidigital number, since it uses as much as digits as its factorization.

12439418675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605422 (or 605417 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The spelling of 12439418675 in words is "twelve billion, four hundred thirty-nine million, four hundred eighteen thousand, six hundred seventy-five".