966236813 has 2 divisors, whose sum is σ = 966236814. Its totient is φ = 966236812.

The previous prime is 966236807. The next prime is 966236879. The reversal of 966236813 is 318632669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502566724 + 463670089 = 22418^2 + 21533^2 .

It is a cyclic number.

It is not a de Polignac number, because 966236813 - 2⁴ = 966236797 is a prime.

It is a super-2 number, since 2×966236813² = 1867227157592793938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966233813) 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, 483118406 + 483118407.

It is an arithmetic number, because the mean of its divisors is an integer number (483118407).

Almost surely, 2^966236813 is an apocalyptic number.

It is an amenable number.

966236813 is a deficient number, since it is larger than the sum of its proper divisors (1).

966236813 is an equidigital number, since it uses as much as digits as its factorization.

966236813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The square root of 966236813 is about 31084.3499690761. The cubic root of 966236813 is about 988.6165122450.

The spelling of 966236813 in words is "nine hundred sixty-six million, two hundred thirty-six thousand, eight hundred thirteen".