13985502339 has 4 divisors (see below), whose sum is σ = 18647336456. Its totient is φ = 9323668224.

The previous prime is 13985502263. The next prime is 13985502373. The reversal of 13985502339 is 93320558931.

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

It is not a de Polignac number, because 13985502339 - 2¹³ = 13985494147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13985502379) 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, 2330917054 + ... + 2330917059.

It is an arithmetic number, because the mean of its divisors is an integer number (4661834114).

Almost surely, 2^13985502339 is an apocalyptic number.

13985502339 is a deficient number, since it is larger than the sum of its proper divisors (4661834117).

13985502339 is an equidigital number, since it uses as much as digits as its factorization.

13985502339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661834116.

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 13985502339 in words is "thirteen billion, nine hundred eighty-five million, five hundred two thousand, three hundred thirty-nine".