12442530679 has 2 divisors, whose sum is σ = 12442530680. Its totient is φ = 12442530678.

The previous prime is 12442530677. The next prime is 12442530701. The reversal of 12442530679 is 97603524421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12442530679 - 2¹ = 12442530677 is a prime.

Together with 12442530677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12442530677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221265339 + 6221265340.

It is an arithmetic number, because the mean of its divisors is an integer number (6221265340).

Almost surely, 2^12442530679 is an apocalyptic number.

12442530679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442530679 is an equidigital number, since it uses as much as digits as its factorization.

12442530679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 12442530679 in words is "twelve billion, four hundred forty-two million, five hundred thirty thousand, six hundred seventy-nine".