68174696791 has 2 divisors, whose sum is σ = 68174696792. Its totient is φ = 68174696790.

The previous prime is 68174696771. The next prime is 68174696797. The reversal of 68174696791 is 19769647186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68174696791 - 2⁷ = 68174696663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68174696797) 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, 34087348395 + 34087348396.

It is an arithmetic number, because the mean of its divisors is an integer number (34087348396).

Almost surely, 2^68174696791 is an apocalyptic number.

68174696791 is a deficient number, since it is larger than the sum of its proper divisors (1).

68174696791 is an equidigital number, since it uses as much as digits as its factorization.

68174696791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 64.

The spelling of 68174696791 in words is "sixty-eight billion, one hundred seventy-four million, six hundred ninety-six thousand, seven hundred ninety-one".