6868008689 has 2 divisors, whose sum is σ = 6868008690. Its totient is φ = 6868008688.

The previous prime is 6868008673. The next prime is 6868008713. The reversal of 6868008689 is 9868008686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6050506225 + 817502464 = 77785^2 + 28592^2 .

It is a cyclic number.

It is not a de Polignac number, because 6868008689 - 2⁴ = 6868008673 is a prime.

It is not a weakly prime, because it can be changed into another prime (6868008629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434004344 + 3434004345.

It is an arithmetic number, because the mean of its divisors is an integer number (3434004345).

Almost surely, 2^6868008689 is an apocalyptic number.

It is an amenable number.

6868008689 is a deficient number, since it is larger than the sum of its proper divisors (1).

6868008689 is an equidigital number, since it uses as much as digits as its factorization.

6868008689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7962624, while the sum is 59.

The square root of 6868008689 is about 82873.4498437226. The cubic root of 6868008689 is about 1900.8314633275.

The spelling of 6868008689 in words is "six billion, eight hundred sixty-eight million, eight thousand, six hundred eighty-nine".