15339833989 has 4 divisors (see below), whose sum is σ = 15340556556. Its totient is φ = 15339111424.

The previous prime is 15339833953. The next prime is 15339834001. The reversal of 15339833989 is 98933893351.

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 10653336225 + 4686497764 = 103215^2 + 68458^2 .

It is a cyclic number.

It is not a de Polignac number, because 15339833989 - 2⁹ = 15339833477 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 (15339833489) 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, 328444 + ... + 372229.

It is an arithmetic number, because the mean of its divisors is an integer number (3835139139).

Almost surely, 2^15339833989 is an apocalyptic number.

It is an amenable number.

15339833989 is a deficient number, since it is larger than the sum of its proper divisors (722567).

15339833989 is an equidigital number, since it uses as much as digits as its factorization.

15339833989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722566.

The product of its digits is 18895680, while the sum is 61.

The spelling of 15339833989 in words is "fifteen billion, three hundred thirty-nine million, eight hundred thirty-three thousand, nine hundred eighty-nine".