17349789988 has 12 divisors (see below), whose sum is σ = 30778052620. Its totient is φ = 8556060672.

The previous prime is 17349789971. The next prime is 17349789997. The reversal of 17349789988 is 88998794371.

It can be written as a sum of positive squares in 2 ways, for example, as 7610468644 + 9739321344 = 87238^2 + 98688^2 .

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a self number, because there is not a number n which added to its sum of digits gives 17349789988.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29708253 + ... + 29708836.

Almost surely, 2^17349789988 is an apocalyptic number.

It is an amenable number.

17349789988 is a deficient number, since it is larger than the sum of its proper divisors (13428262632).

17349789988 is a wasteful number, since it uses less digits than its factorization.

17349789988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59417166 (or 59417164 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 73.

The spelling of 17349789988 in words is "seventeen billion, three hundred forty-nine million, seven hundred eighty-nine thousand, nine hundred eighty-eight".