12380497939 has 2 divisors, whose sum is σ = 12380497940. Its totient is φ = 12380497938.

The previous prime is 12380497879. The next prime is 12380497957. The reversal of 12380497939 is 93979408321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12380497939 - 2⁹ = 12380497427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12380497939.

It is not a weakly prime, because it can be changed into another prime (12380497139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6190248969 + 6190248970.

It is an arithmetic number, because the mean of its divisors is an integer number (6190248970).

Almost surely, 2^12380497939 is an apocalyptic number.

12380497939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12380497939 is an equidigital number, since it uses as much as digits as its factorization.

12380497939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 12380497939 in words is "twelve billion, three hundred eighty million, four hundred ninety-seven thousand, nine hundred thirty-nine".