17989384318 has 16 divisors (see below), whose sum is σ = 27036253440. Its totient is φ = 8977316256.

The previous prime is 17989384297. The next prime is 17989384421. The reversal of 17989384318 is 81348398971.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3458896 + ... + 3464092.

It is an arithmetic number, because the mean of its divisors is an integer number (1689765840).

Almost surely, 2^17989384318 is an apocalyptic number.

17989384318 is a deficient number, since it is larger than the sum of its proper divisors (9046869122).

17989384318 is a wasteful number, since it uses less digits than its factorization.

17989384318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211.

The product of its digits is 10450944, while the sum is 61.

The spelling of 17989384318 in words is "seventeen billion, nine hundred eighty-nine million, three hundred eighty-four thousand, three hundred eighteen".