8398379913013 has 4 divisors (see below), whose sum is σ = 8398405458828. Its totient is φ = 8398354367200.

The previous prime is 8398379912977. The next prime is 8398379913061. The reversal of 8398379913013 is 3103199738938.

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

It can be written as a sum of positive squares in 2 ways, for example, as 571327363044 + 7827052549969 = 755862^2 + 2797687^2 .

It is a cyclic number.

It is not a de Polignac number, because 8398379913013 - 2¹³ = 8398379904821 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 (8398379913713) 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, 12273256 + ... + 12939457.

It is an arithmetic number, because the mean of its divisors is an integer number (2099601364707).

Almost surely, 2^{8398379913013} is an apocalyptic number.

It is an amenable number.

8398379913013 is a deficient number, since it is larger than the sum of its proper divisors (25545815).

8398379913013 is a wasteful number, since it uses less digits than its factorization.

8398379913013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25545814.

The product of its (nonzero) digits is 26453952, while the sum is 64.

The spelling of 8398379913013 in words is "eight trillion, three hundred ninety-eight billion, three hundred seventy-nine million, nine hundred thirteen thousand, thirteen".