12340465939 has 2 divisors, whose sum is σ = 12340465940. Its totient is φ = 12340465938.

The previous prime is 12340465877. The next prime is 12340465987. The reversal of 12340465939 is 93956404321.

12340465939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12340465939 is a prime.

It is not a weakly prime, because it can be changed into another prime (12340465339) 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, 6170232969 + 6170232970.

It is an arithmetic number, because the mean of its divisors is an integer number (6170232970).

Almost surely, 2^12340465939 is an apocalyptic number.

12340465939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340465939 is an equidigital number, since it uses as much as digits as its factorization.

12340465939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 12340465939 in words is "twelve billion, three hundred forty million, four hundred sixty-five thousand, nine hundred thirty-nine".