17983339986 has 16 divisors (see below), whose sum is σ = 36302818464. Its totient is φ = 5938423584.

The previous prime is 17983339967. The next prime is 17983339999. The reversal of 17983339986 is 68993338971.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14005075 + ... + 14006358.

It is an arithmetic number, because the mean of its divisors is an integer number (2268926154).

Almost surely, 2^17983339986 is an apocalyptic number.

17983339986 is an abundant number, since it is smaller than the sum of its proper divisors (18319478478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17983339986 is a wasteful number, since it uses less digits than its factorization.

17983339986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28011545.

The product of its digits is 52907904, while the sum is 66.

The spelling of 17983339986 in words is "seventeen billion, nine hundred eighty-three million, three hundred thirty-nine thousand, nine hundred eighty-six".