17117308499 has 2 divisors, whose sum is σ = 17117308500. Its totient is φ = 17117308498.

The previous prime is 17117308477. The next prime is 17117308519. The reversal of 17117308499 is 99480371171.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17117308499 is a prime.

It is not a weakly prime, because it can be changed into another prime (17117008499) 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, 8558654249 + 8558654250.

It is an arithmetic number, because the mean of its divisors is an integer number (8558654250).

Almost surely, 2^17117308499 is an apocalyptic number.

17117308499 is a deficient number, since it is larger than the sum of its proper divisors (1).

17117308499 is an equidigital number, since it uses as much as digits as its factorization.

17117308499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 17117308499 in words is "seventeen billion, one hundred seventeen million, three hundred eight thousand, four hundred ninety-nine".