12392439743 has 2 divisors, whose sum is σ = 12392439744. Its totient is φ = 12392439742.

The previous prime is 12392439733. The next prime is 12392439781. The reversal of 12392439743 is 34793429321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12392439743 - 2⁸ = 12392439487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12392439713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196219871 + 6196219872.

It is an arithmetic number, because the mean of its divisors is an integer number (6196219872).

Almost surely, 2^12392439743 is an apocalyptic number.

12392439743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12392439743 is an equidigital number, since it uses as much as digits as its factorization.

12392439743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 47.

The spelling of 12392439743 in words is "twelve billion, three hundred ninety-two million, four hundred thirty-nine thousand, seven hundred forty-three".