12906609839 has 2 divisors, whose sum is σ = 12906609840. Its totient is φ = 12906609838.

The previous prime is 12906609817. The next prime is 12906609853. The reversal of 12906609839 is 93890660921.

12906609839 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 not a de Polignac number, because 12906609839 - 2²⁸ = 12638174383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12906609869) 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, 6453304919 + 6453304920.

It is an arithmetic number, because the mean of its divisors is an integer number (6453304920).

Almost surely, 2^12906609839 is an apocalyptic number.

12906609839 is a deficient number, since it is larger than the sum of its proper divisors (1).

12906609839 is an equidigital number, since it uses as much as digits as its factorization.

12906609839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 12906609839 in words is "twelve billion, nine hundred six million, six hundred nine thousand, eight hundred thirty-nine".