12388634339 has 2 divisors, whose sum is σ = 12388634340. Its totient is φ = 12388634338.

The previous prime is 12388634329. The next prime is 12388634341. The reversal of 12388634339 is 93343688321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12388634339 - 2²⁴ = 12371857123 is a prime.

Together with 12388634341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12388634329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6194317169 + 6194317170.

It is an arithmetic number, because the mean of its divisors is an integer number (6194317170).

Almost surely, 2^12388634339 is an apocalyptic number.

12388634339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12388634339 is an equidigital number, since it uses as much as digits as its factorization.

12388634339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 50.

The spelling of 12388634339 in words is "twelve billion, three hundred eighty-eight million, six hundred thirty-four thousand, three hundred thirty-nine".