17085647893 has 2 divisors, whose sum is σ = 17085647894. Its totient is φ = 17085647892.

The previous prime is 17085647863. The next prime is 17085647897. The reversal of 17085647893 is 39874658071.

17085647893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12264012049 + 4821635844 = 110743^2 + 69438^2 .

It is a cyclic number.

It is not a de Polignac number, because 17085647893 - 2¹⁷ = 17085516821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17085647897) by changing a digit.

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, 8542823946 + 8542823947.

It is an arithmetic number, because the mean of its divisors is an integer number (8542823947).

Almost surely, 2^17085647893 is an apocalyptic number.

It is an amenable number.

17085647893 is a deficient number, since it is larger than the sum of its proper divisors (1).

17085647893 is an equidigital number, since it uses as much as digits as its factorization.

17085647893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 17085647893 in words is "seventeen billion, eighty-five million, six hundred forty-seven thousand, eight hundred ninety-three".