966461009 has 2 divisors, whose sum is σ = 966461010. Its totient is φ = 966461008.

The previous prime is 966460993. The next prime is 966461059. The reversal of 966461009 is 900164669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 960070225 + 6390784 = 30985^2 + 2528^2 .

It is a cyclic number.

It is not a de Polignac number, because 966461009 - 2⁴ = 966460993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (966461059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483230504 + 483230505.

It is an arithmetic number, because the mean of its divisors is an integer number (483230505).

Almost surely, 2^966461009 is an apocalyptic number.

It is an amenable number.

966461009 is a deficient number, since it is larger than the sum of its proper divisors (1).

966461009 is an equidigital number, since it uses as much as digits as its factorization.

966461009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 966461009 is about 31087.9560119349. The cubic root of 966461009 is about 988.6929692530.

The spelling of 966461009 in words is "nine hundred sixty-six million, four hundred sixty-one thousand, nine".