68098968319 has 2 divisors, whose sum is σ = 68098968320. Its totient is φ = 68098968318.

The previous prime is 68098968233. The next prime is 68098968337. The reversal of 68098968319 is 91386989086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68098968319 - 2³¹ = 65951484671 is a prime.

It is a super-2 number, since 2×68098968319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68098963319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34049484159 + 34049484160.

It is an arithmetic number, because the mean of its divisors is an integer number (34049484160).

Almost surely, 2^68098968319 is an apocalyptic number.

68098968319 is a deficient number, since it is larger than the sum of its proper divisors (1).

68098968319 is an equidigital number, since it uses as much as digits as its factorization.

68098968319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40310784, while the sum is 67.

The spelling of 68098968319 in words is "sixty-eight billion, ninety-eight million, nine hundred sixty-eight thousand, three hundred nineteen".