68098968233 has 2 divisors, whose sum is σ = 68098968234. Its totient is φ = 68098968232.

The previous prime is 68098968227. The next prime is 68098968319. The reversal of 68098968233 is 33286989086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60490418704 + 7608549529 = 245948^2 + 87227^2 .

It is a cyclic number.

It is not a de Polignac number, because 68098968233 - 2²⁴ = 68082191017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (68098968433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34049484116 + 34049484117.

It is an arithmetic number, because the mean of its divisors is an integer number (34049484117).

Almost surely, 2^68098968233 is an apocalyptic number.

It is an amenable number.

68098968233 is a deficient number, since it is larger than the sum of its proper divisors (1).

68098968233 is an equidigital number, since it uses as much as digits as its factorization.

68098968233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 68098968233 in words is "sixty-eight billion, ninety-eight million, nine hundred sixty-eight thousand, two hundred thirty-three".