12490987679 has 2 divisors, whose sum is σ = 12490987680. Its totient is φ = 12490987678.

The previous prime is 12490987673. The next prime is 12490987703. The reversal of 12490987679 is 97678909421.

12490987679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12490987679 - 2⁸ = 12490987423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12490987673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245493839 + 6245493840.

It is an arithmetic number, because the mean of its divisors is an integer number (6245493840).

Almost surely, 2^12490987679 is an apocalyptic number.

12490987679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12490987679 is an equidigital number, since it uses as much as digits as its factorization.

12490987679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 12490987679 in words is "twelve billion, four hundred ninety million, nine hundred eighty-seven thousand, six hundred seventy-nine".