17396789668 has 6 divisors (see below), whose sum is σ = 30444381926. Its totient is φ = 8698394832.

The previous prime is 17396789621. The next prime is 17396789693. The reversal of 17396789668 is 86698769371.

It can be written as a sum of positive squares in only one way, i.e., 13558739364 + 3838050304 = 116442^2 + 61952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 17396789597 and 17396789606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2174598705 + ... + 2174598712.

Almost surely, 2^17396789668 is an apocalyptic number.

It is an amenable number.

17396789668 is a deficient number, since it is larger than the sum of its proper divisors (13047592258).

17396789668 is a wasteful number, since it uses less digits than its factorization.

17396789668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349197421 (or 4349197419 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 70.

The spelling of 17396789668 in words is "seventeen billion, three hundred ninety-six million, seven hundred eighty-nine thousand, six hundred sixty-eight".