12395824939 has 2 divisors, whose sum is σ = 12395824940. Its totient is φ = 12395824938.

The previous prime is 12395824919. The next prime is 12395824963. The reversal of 12395824939 is 93942859321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12395824939 - 2¹¹ = 12395822891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12395824939.

It is not a weakly prime, because it can be changed into another prime (12395824919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6197912469 + 6197912470.

It is an arithmetic number, because the mean of its divisors is an integer number (6197912470).

Almost surely, 2^12395824939 is an apocalyptic number.

12395824939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12395824939 is an equidigital number, since it uses as much as digits as its factorization.

12395824939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 55.

The spelling of 12395824939 in words is "twelve billion, three hundred ninety-five million, eight hundred twenty-four thousand, nine hundred thirty-nine".