6768008609 has 2 divisors, whose sum is σ = 6768008610. Its totient is φ = 6768008608.

The previous prime is 6768008581. The next prime is 6768008633. The reversal of 6768008609 is 9068008676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6080100625 + 687907984 = 77975^2 + 26228^2 .

It is a cyclic number.

It is not a de Polignac number, because 6768008609 - 2⁸ = 6768008353 is a prime.

It is a super-2 number, since 2×6768008609² = 91611881062996229762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6768008699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384004304 + 3384004305.

It is an arithmetic number, because the mean of its divisors is an integer number (3384004305).

Almost surely, 2^6768008609 is an apocalyptic number.

It is an amenable number.

6768008609 is a deficient number, since it is larger than the sum of its proper divisors (1).

6768008609 is an equidigital number, since it uses as much as digits as its factorization.

6768008609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 6768008609 is about 82267.9075277839. The cubic root of 6768008609 is about 1891.5607805748.

The spelling of 6768008609 in words is "six billion, seven hundred sixty-eight million, eight thousand, six hundred nine".