17085188389 has 2 divisors, whose sum is σ = 17085188390. Its totient is φ = 17085188388.

The previous prime is 17085188357. The next prime is 17085188399. The reversal of 17085188389 is 98388158071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13459944289 + 3625244100 = 116017^2 + 60210^2 .

It is a cyclic number.

It is not a de Polignac number, because 17085188389 - 2⁵ = 17085188357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17085188399) 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, 8542594194 + 8542594195.

It is an arithmetic number, because the mean of its divisors is an integer number (8542594195).

Almost surely, 2^17085188389 is an apocalyptic number.

It is an amenable number.

17085188389 is a deficient number, since it is larger than the sum of its proper divisors (1).

17085188389 is an equidigital number, since it uses as much as digits as its factorization.

17085188389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 58.

The spelling of 17085188389 in words is "seventeen billion, eighty-five million, one hundred eighty-eight thousand, three hundred eighty-nine".