6768590009 has 2 divisors, whose sum is σ = 6768590010. Its totient is φ = 6768590008.

The previous prime is 6768589987. The next prime is 6768590021. The reversal of 6768590009 is 9000958676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6395520784 + 373069225 = 79972^2 + 19315^2 .

It is a cyclic number.

It is not a de Polignac number, because 6768590009 - 2¹² = 6768585913 is a prime.

It is not a weakly prime, because it can be changed into another prime (6768590089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384295004 + 3384295005.

It is an arithmetic number, because the mean of its divisors is an integer number (3384295005).

Almost surely, 2^6768590009 is an apocalyptic number.

It is an amenable number.

6768590009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6768590009 is an equidigital number, since it uses as much as digits as its factorization.

6768590009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 6768590009 is about 82271.4410290716. The cubic root of 6768590009 is about 1891.6149433284.

The spelling of 6768590009 in words is "six billion, seven hundred sixty-eight million, five hundred ninety thousand, nine".