17349783989 has 2 divisors, whose sum is σ = 17349783990. Its totient is φ = 17349783988.

The previous prime is 17349783973. The next prime is 17349784087. The reversal of 17349783989 is 98938794371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16872711025 + 477072964 = 129895^2 + 21842^2 .

It is a cyclic number.

It is not a de Polignac number, because 17349783989 - 2⁴ = 17349783973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17349783089) by changing a digit.

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 as a sum of consecutive naturals, namely, 8674891994 + 8674891995.

It is an arithmetic number, because the mean of its divisors is an integer number (8674891995).

Almost surely, 2^17349783989 is an apocalyptic number.

It is an amenable number.

17349783989 is a deficient number, since it is larger than the sum of its proper divisors (1).

17349783989 is an equidigital number, since it uses as much as digits as its factorization.

17349783989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82301184, while the sum is 68.

The spelling of 17349783989 in words is "seventeen billion, three hundred forty-nine million, seven hundred eighty-three thousand, nine hundred eighty-nine".