12998339539 has 2 divisors, whose sum is σ = 12998339540. Its totient is φ = 12998339538.

The previous prime is 12998339537. The next prime is 12998339609. The reversal of 12998339539 is 93593389921.

It is a weak prime.

It is an emirp because it is prime and its reverse (93593389921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12998339539 - 2¹ = 12998339537 is a prime.

It is a super-2 number, since 2×12998339539² (a number of 21 digits) contains 22 as substring.

Together with 12998339537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12998339537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6499169769 + 6499169770.

It is an arithmetic number, because the mean of its divisors is an integer number (6499169770).

Almost surely, 2^12998339539 is an apocalyptic number.

12998339539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12998339539 is an equidigital number, since it uses as much as digits as its factorization.

12998339539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14171760, while the sum is 61.

The spelling of 12998339539 in words is "twelve billion, nine hundred ninety-eight million, three hundred thirty-nine thousand, five hundred thirty-nine".