13239253898 has 16 divisors (see below), whose sum is σ = 21428525160. Its totient is φ = 6098414016.

The previous prime is 13239253883. The next prime is 13239253943. The reversal of 13239253898 is 89835293231.

It can be written as a sum of positive squares in 4 ways, for example, as 6882859369 + 6356394529 = 82963^2 + 79727^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 486965 + ... + 513432.

Almost surely, 2^13239253898 is an apocalyptic number.

13239253898 is a deficient number, since it is larger than the sum of its proper divisors (8189271262).

13239253898 is a wasteful number, since it uses less digits than its factorization.

13239253898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000921.

The product of its digits is 2799360, while the sum is 53.

The spelling of 13239253898 in words is "thirteen billion, two hundred thirty-nine million, two hundred fifty-three thousand, eight hundred ninety-eight".