68243608522967 has 2 divisors, whose sum is σ = 68243608522968. Its totient is φ = 68243608522966.

The previous prime is 68243608522949. The next prime is 68243608523011. The reversal of 68243608522967 is 76922580634286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68243608522967 - 2⁸ = 68243608522711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68243608522897 and 68243608522906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68243608722967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34121804261483 + 34121804261484.

It is an arithmetic number, because the mean of its divisors is an integer number (34121804261484).

Almost surely, 2^{68243608522967} is an apocalyptic number.

68243608522967 is a deficient number, since it is larger than the sum of its proper divisors (1).

68243608522967 is an equidigital number, since it uses as much as digits as its factorization.

68243608522967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 418037760, while the sum is 68.

The spelling of 68243608522967 in words is "sixty-eight trillion, two hundred forty-three billion, six hundred eight million, five hundred twenty-two thousand, nine hundred sixty-seven".