99195659466817 has 2 divisors, whose sum is σ = 99195659466818. Its totient is φ = 99195659466816.

The previous prime is 99195659466811. The next prime is 99195659466823. The reversal of 99195659466817 is 71866495659199.

It is a balanced prime because it is at equal distance from previous prime (99195659466811) and next prime (99195659466823).

It can be written as a sum of positive squares in only one way, i.e., 99185047170561 + 10612296256 = 9959169^2 + 103016^2 .

It is a cyclic number.

It is not a de Polignac number, because 99195659466817 - 2³ = 99195659466809 is a prime.

It is a super-2 number, since 2×99195659466817² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99195659466811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49597829733408 + 49597829733409.

It is an arithmetic number, because the mean of its divisors is an integer number (49597829733409).

Almost surely, 2^{99195659466817} is an apocalyptic number.

It is an amenable number.

99195659466817 is a deficient number, since it is larger than the sum of its proper divisors (1).

99195659466817 is an equidigital number, since it uses as much as digits as its factorization.

99195659466817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7936185600, while the sum is 85.

The spelling of 99195659466817 in words is "ninety-nine trillion, one hundred ninety-five billion, six hundred fifty-nine million, four hundred sixty-six thousand, eight hundred seventeen".