12418579931 has 2 divisors, whose sum is σ = 12418579932. Its totient is φ = 12418579930.

The previous prime is 12418579891. The next prime is 12418579933. The reversal of 12418579931 is 13997581421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12418579931 - 2³⁰ = 11344838107 is a prime.

It is a super-3 number, since 3×12418579931³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 12418579933, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12418579931.

It is not a weakly prime, because it can be changed into another prime (12418579933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209289965 + 6209289966.

It is an arithmetic number, because the mean of its divisors is an integer number (6209289966).

Almost surely, 2^12418579931 is an apocalyptic number.

12418579931 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418579931 is an equidigital number, since it uses as much as digits as its factorization.

12418579931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 50.

The spelling of 12418579931 in words is "twelve billion, four hundred eighteen million, five hundred seventy-nine thousand, nine hundred thirty-one".