995686217814017 has 16 divisors (see below), whose sum is σ = 1026498764530512. Its totient is φ = 965357475793920.

The previous prime is 995686217813999. The next prime is 995686217814031. The reversal of 995686217814017 is 710418712686599.

It is a Cunningham number, because it is equal to 316⁶+1.

It can be written as a sum of positive squares in 8 ways, for example, as 259884190613776 + 735802027200241 = 16120924^2 + 27125671^2 .

It is a cyclic number.

It is not a de Polignac number, because 995686217814017 - 2²⁰ = 995686216765441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995686217814047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61005788 + ... + 75584909.

It is an arithmetic number, because the mean of its divisors is an integer number (64156172783157).

Almost surely, 2^{995686217814017} is an apocalyptic number.

It is an amenable number.

995686217814017 is a deficient number, since it is larger than the sum of its proper divisors (30812546716495).

995686217814017 is a wasteful number, since it uses less digits than its factorization.

995686217814017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136592468.

The product of its (nonzero) digits is 365783040, while the sum is 74.

The spelling of 995686217814017 in words is "nine hundred ninety-five trillion, six hundred eighty-six billion, two hundred seventeen million, eight hundred fourteen thousand, seventeen".