68375091079 has 2 divisors, whose sum is σ = 68375091080. Its totient is φ = 68375091078.

The previous prime is 68375091041. The next prime is 68375091151. The reversal of 68375091079 is 97019057386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68375091079 - 2¹⁹ = 68374566791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68375091979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34187545539 + 34187545540.

It is an arithmetic number, because the mean of its divisors is an integer number (34187545540).

Almost surely, 2^68375091079 is an apocalyptic number.

68375091079 is a deficient number, since it is larger than the sum of its proper divisors (1).

68375091079 is an equidigital number, since it uses as much as digits as its factorization.

68375091079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 68375091079 in words is "sixty-eight billion, three hundred seventy-five million, ninety-one thousand, seventy-nine".