17983080517 has 2 divisors, whose sum is σ = 17983080518. Its totient is φ = 17983080516.

The previous prime is 17983080509. The next prime is 17983080527. The reversal of 17983080517 is 71508038971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16705304001 + 1277776516 = 129249^2 + 35746^2 .

It is an emirp because it is prime and its reverse (71508038971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17983080517 - 2³ = 17983080509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17983080527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8991540258 + 8991540259.

It is an arithmetic number, because the mean of its divisors is an integer number (8991540259).

Almost surely, 2^17983080517 is an apocalyptic number.

It is an amenable number.

17983080517 is a deficient number, since it is larger than the sum of its proper divisors (1).

17983080517 is an equidigital number, since it uses as much as digits as its factorization.

17983080517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 17983080517 in words is "seventeen billion, nine hundred eighty-three million, eighty thousand, five hundred seventeen".