766322000009 has 2 divisors, whose sum is σ = 766322000010. Its totient is φ = 766322000008.

The previous prime is 766321999981. The next prime is 766322000011. The reversal of 766322000009 is 900000223667.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765619750009 + 702250000 = 874997^2 + 26500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766322000009 is a prime.

Together with 766322000011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (766322000099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383161000004 + 383161000005.

It is an arithmetic number, because the mean of its divisors is an integer number (383161000005).

Almost surely, 2^766322000009 is an apocalyptic number.

It is an amenable number.

766322000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

766322000009 is an equidigital number, since it uses as much as digits as its factorization.

766322000009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 766322000009 in words is "seven hundred sixty-six billion, three hundred twenty-two million, nine", and thus it is an aban number.