966758046809 has 2 divisors, whose sum is σ = 966758046810. Its totient is φ = 966758046808.

The previous prime is 966758046799. The next prime is 966758046973. The reversal of 966758046809 is 908640857669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937575841225 + 29182205584 = 968285^2 + 170828^2 .

It is an emirp because it is prime and its reverse (908640857669) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966758046809 is a prime.

It is a super-2 number, since 2×966758046809² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (966758046109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483379023404 + 483379023405.

It is an arithmetic number, because the mean of its divisors is an integer number (483379023405).

Almost surely, 2^966758046809 is an apocalyptic number.

It is an amenable number.

966758046809 is a deficient number, since it is larger than the sum of its proper divisors (1).

966758046809 is an equidigital number, since it uses as much as digits as its factorization.

966758046809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 966758046809 in words is "nine hundred sixty-six billion, seven hundred fifty-eight million, forty-six thousand, eight hundred nine".