68841042864107 has 2 divisors, whose sum is σ = 68841042864108. Its totient is φ = 68841042864106.

The previous prime is 68841042864089. The next prime is 68841042864157. The reversal of 68841042864107 is 70146824014886.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68841042864107 - 2²⁴ = 68841026086891 is a prime.

It is not a weakly prime, because it can be changed into another prime (68841042864157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34420521432053 + 34420521432054.

It is an arithmetic number, because the mean of its divisors is an integer number (34420521432054).

Almost surely, 2^{68841042864107} is an apocalyptic number.

68841042864107 is a deficient number, since it is larger than the sum of its proper divisors (1).

68841042864107 is an equidigital number, since it uses as much as digits as its factorization.

68841042864107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16515072, while the sum is 59.

The spelling of 68841042864107 in words is "sixty-eight trillion, eight hundred forty-one billion, forty-two million, eight hundred sixty-four thousand, one hundred seven".