17349789989 has 8 divisors (see below), whose sum is σ = 20020840320. Its totient is φ = 14726866896.

The previous prime is 17349789971. The next prime is 17349789997. The reversal of 17349789989 is 98998794371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-17349789989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17349783989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12031034 + ... + 12032475.

It is an arithmetic number, because the mean of its divisors is an integer number (2502605040).

Almost surely, 2^17349789989 is an apocalyptic number.

It is an amenable number.

17349789989 is a deficient number, since it is larger than the sum of its proper divisors (2671050331).

17349789989 is a wasteful number, since it uses less digits than its factorization.

17349789989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24063619.

The product of its digits is 246903552, while the sum is 74.

The spelling of 17349789989 in words is "seventeen billion, three hundred forty-nine million, seven hundred eighty-nine thousand, nine hundred eighty-nine".