12380497879 has 2 divisors, whose sum is σ = 12380497880. Its totient is φ = 12380497878.

The previous prime is 12380497867. The next prime is 12380497939. The reversal of 12380497879 is 97879408321.

It is a weak prime.

It is an emirp because it is prime and its reverse (97879408321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12380497879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12380497819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6190248939 + 6190248940.

It is an arithmetic number, because the mean of its divisors is an integer number (6190248940).

Almost surely, 2^12380497879 is an apocalyptic number.

12380497879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12380497879 is an equidigital number, since it uses as much as digits as its factorization.

12380497879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 12380497879 in words is "twelve billion, three hundred eighty million, four hundred ninety-seven thousand, eight hundred seventy-nine".