68010474689 has 2 divisors, whose sum is σ = 68010474690. Its totient is φ = 68010474688.

The previous prime is 68010474677. The next prime is 68010474761. The reversal of 68010474689 is 98647401086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67633804225 + 376670464 = 260065^2 + 19408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68010474689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68010474689.

It is not a weakly prime, because it can be changed into another prime (68015474689) 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, 34005237344 + 34005237345.

It is an arithmetic number, because the mean of its divisors is an integer number (34005237345).

Almost surely, 2^68010474689 is an apocalyptic number.

It is an amenable number.

68010474689 is a deficient number, since it is larger than the sum of its proper divisors (1).

68010474689 is an equidigital number, since it uses as much as digits as its factorization.

68010474689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 68010474689 in words is "sixty-eight billion, ten million, four hundred seventy-four thousand, six hundred eighty-nine".