12998758474839 has 4 divisors (see below), whose sum is σ = 17331677966456. Its totient is φ = 8665838983224.

The previous prime is 12998758474817. The next prime is 12998758474901. The reversal of 12998758474839 is 93847485789921.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12998758474839 - 2⁷ = 12998758474711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12998758474439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166459745804 + ... + 2166459745809.

It is an arithmetic number, because the mean of its divisors is an integer number (4332919491614).

Almost surely, 2^{12998758474839} is an apocalyptic number.

12998758474839 is a deficient number, since it is larger than the sum of its proper divisors (4332919491617).

12998758474839 is an equidigital number, since it uses as much as digits as its factorization.

12998758474839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332919491616.

The product of its digits is 8778792960, while the sum is 84.

The spelling of 12998758474839 in words is "twelve trillion, nine hundred ninety-eight billion, seven hundred fifty-eight million, four hundred seventy-four thousand, eight hundred thirty-nine".