12490430879 has 2 divisors, whose sum is σ = 12490430880. Its totient is φ = 12490430878.

The previous prime is 12490430867. The next prime is 12490430917. The reversal of 12490430879 is 97803409421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12490430879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12490430279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245215439 + 6245215440.

It is an arithmetic number, because the mean of its divisors is an integer number (6245215440).

Almost surely, 2^12490430879 is an apocalyptic number.

12490430879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12490430879 is an equidigital number, since it uses as much as digits as its factorization.

12490430879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 12490430879 in words is "twelve billion, four hundred ninety million, four hundred thirty thousand, eight hundred seventy-nine".