12433087439 has 2 divisors, whose sum is σ = 12433087440. Its totient is φ = 12433087438.

The previous prime is 12433087421. The next prime is 12433087441. The reversal of 12433087439 is 93478033421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12433087439 - 2²⁴ = 12416310223 is a prime.

Together with 12433087441, 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 12433087439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12433087489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216543719 + 6216543720.

It is an arithmetic number, because the mean of its divisors is an integer number (6216543720).

Almost surely, 2^12433087439 is an apocalyptic number.

12433087439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12433087439 is an equidigital number, since it uses as much as digits as its factorization.

12433087439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 12433087439 in words is "twelve billion, four hundred thirty-three million, eighty-seven thousand, four hundred thirty-nine".