17939323083 has 16 divisors (see below), whose sum is σ = 27628477056. Its totient is φ = 10232768640.

The previous prime is 17939323079. The next prime is 17939323139. The reversal of 17939323083 is 38032393971.

It is not a de Polignac number, because 17939323083 - 2² = 17939323079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17939323033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15988141 + ... + 15989262.

It is an arithmetic number, because the mean of its divisors is an integer number (1726779816).

Almost surely, 2^17939323083 is an apocalyptic number.

17939323083 is a deficient number, since it is larger than the sum of its proper divisors (9689153973).

17939323083 is a wasteful number, since it uses less digits than its factorization.

17939323083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31977434.

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 17939323083 in words is "seventeen billion, nine hundred thirty-nine million, three hundred twenty-three thousand, eighty-three".