17989336604 has 12 divisors (see below), whose sum is σ = 31483574304. Its totient is φ = 8994029664.

The previous prime is 17989336537. The next prime is 17989336609. The reversal of 17989336604 is 40663398971.

It is a self number, because there is not a number n which added to its sum of digits gives 17989336604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17989336609) 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, 93209 + ... + 211344.

It is an arithmetic number, because the mean of its divisors is an integer number (2623631192).

Almost surely, 2^17989336604 is an apocalyptic number.

It is an amenable number.

17989336604 is a deficient number, since it is larger than the sum of its proper divisors (13494237700).

17989336604 is a wasteful number, since it uses less digits than its factorization.

17989336604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319324 (or 319322 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 17989336604 in words is "seventeen billion, nine hundred eighty-nine million, three hundred thirty-six thousand, six hundred four".