17078837349017 has 2 divisors, whose sum is σ = 17078837349018. Its totient is φ = 17078837349016.

The previous prime is 17078837349011. The next prime is 17078837349019. The reversal of 17078837349017 is 71094373887071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16114476032656 + 964361316361 = 4014284^2 + 982019^2 .

It is a cyclic number.

It is not a de Polignac number, because 17078837349017 - 2⁴ = 17078837349001 is a prime.

Together with 17078837349019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17078837349011) 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, 8539418674508 + 8539418674509.

It is an arithmetic number, because the mean of its divisors is an integer number (8539418674509).

Almost surely, 2^{17078837349017} is an apocalyptic number.

It is an amenable number.

17078837349017 is a deficient number, since it is larger than the sum of its proper divisors (1).

17078837349017 is an equidigital number, since it uses as much as digits as its factorization.

17078837349017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49787136, while the sum is 65.

The spelling of 17078837349017 in words is "seventeen trillion, seventy-eight billion, eight hundred thirty-seven million, three hundred forty-nine thousand, seventeen".