17098628621 has 2 divisors, whose sum is σ = 17098628622. Its totient is φ = 17098628620.

The previous prime is 17098628567. The next prime is 17098628629. The reversal of 17098628621 is 12682689071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15131706121 + 1966922500 = 123011^2 + 44350^2 .

It is a cyclic number.

It is not a de Polignac number, because 17098628621 - 2⁶ = 17098628557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17098628621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17098628629) 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 as a sum of consecutive naturals, namely, 8549314310 + 8549314311.

It is an arithmetic number, because the mean of its divisors is an integer number (8549314311).

Almost surely, 2^17098628621 is an apocalyptic number.

It is an amenable number.

17098628621 is a deficient number, since it is larger than the sum of its proper divisors (1).

17098628621 is an equidigital number, since it uses as much as digits as its factorization.

17098628621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 17098628621 in words is "seventeen billion, ninety-eight million, six hundred twenty-eight thousand, six hundred twenty-one".