17085540859 has 2 divisors, whose sum is σ = 17085540860. Its totient is φ = 17085540858.

The previous prime is 17085540853. The next prime is 17085540863. The reversal of 17085540859 is 95804558071.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17085540859 is a prime.

It is not a weakly prime, because it can be changed into another prime (17085540853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8542770429 + 8542770430.

It is an arithmetic number, because the mean of its divisors is an integer number (8542770430).

Almost surely, 2^17085540859 is an apocalyptic number.

17085540859 is a deficient number, since it is larger than the sum of its proper divisors (1).

17085540859 is an equidigital number, since it uses as much as digits as its factorization.

17085540859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 52.

The spelling of 17085540859 in words is "seventeen billion, eighty-five million, five hundred forty thousand, eight hundred fifty-nine".