17073864889 has 9 divisors (see below), whose sum is σ = 17505950511. Its totient is φ = 16652202480.

The previous prime is 17073864877. The next prime is 17073864923. The reversal of 17073864889 is 98846837071.

The square root of 17073864889 is 130667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 822714489 + 16251150400 = 28683^2 + 127480^2 .

It is not a de Polignac number, because 17073864889 - 2⁹ = 17073864377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17073864989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5355754 + ... + 5358940.

Almost surely, 2^17073864889 is an apocalyptic number.

17073864889 is the 130667-th square number.

17073864889 is the 65334-th centered octagonal number.

It is an amenable number.

17073864889 is a deficient number, since it is larger than the sum of its proper divisors (432085622).

17073864889 is an frugal number, since it uses more digits than its factorization.

17073864889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456 (or 3228 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 17073864889 in words is "seventeen billion, seventy-three million, eight hundred sixty-four thousand, eight hundred eighty-nine".