998743395013 has 16 divisors (see below), whose sum is σ = 1232466014080. Its totient is φ = 788129528256.

The previous prime is 998743394963. The next prime is 998743395049. The reversal of 998743395013 is 310593347899.

It is not a de Polignac number, because 998743395013 - 2⁹ = 998743394501 is a prime.

It is the 999372-nd Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998743390013) by changing a digit.

It is a nontrivial repunit in base 999371.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14444670 + ... + 14513647.

It is an arithmetic number, because the mean of its divisors is an integer number (77029125880).

Almost surely, 2^998743395013 is an apocalyptic number.

It is an amenable number.

998743395013 is a deficient number, since it is larger than the sum of its proper divisors (233722619067).

998743395013 is a wasteful number, since it uses less digits than its factorization.

998743395013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28958716.

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 998743395013 in words is "nine hundred ninety-eight billion, seven hundred forty-three million, three hundred ninety-five thousand, thirteen".