966726569 has 2 divisors, whose sum is σ = 966726570. Its totient is φ = 966726568.

The previous prime is 966726529. The next prime is 966726581. The reversal of 966726569 is 965627669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 949379344 + 17347225 = 30812^2 + 4165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966726569 is a prime.

It is a super-2 number, since 2×966726569² = 1869120518421023522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (966726529) 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, 483363284 + 483363285.

It is an arithmetic number, because the mean of its divisors is an integer number (483363285).

Almost surely, 2^966726569 is an apocalyptic number.

It is an amenable number.

966726569 is a deficient number, since it is larger than the sum of its proper divisors (1).

966726569 is an equidigital number, since it uses as much as digits as its factorization.

966726569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 56.

The square root of 966726569 is about 31092.2268260091. The cubic root of 966726569 is about 988.7835172275.

The spelling of 966726569 in words is "nine hundred sixty-six million, seven hundred twenty-six thousand, five hundred sixty-nine".