966929681 has 2 divisors, whose sum is σ = 966929682. Its totient is φ = 966929680.

The previous prime is 966929653. The next prime is 966929713. The reversal of 966929681 is 186929669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 825700225 + 141229456 = 28735^2 + 11884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966929681 is a prime.

It is a super-2 number, since 2×966929681² = 1869906015997523522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (966929651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483464840 + 483464841.

It is an arithmetic number, because the mean of its divisors is an integer number (483464841).

Almost surely, 2^966929681 is an apocalyptic number.

It is an amenable number.

966929681 is a deficient number, since it is larger than the sum of its proper divisors (1).

966929681 is an equidigital number, since it uses as much as digits as its factorization.

966929681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 56.

The square root of 966929681 is about 31095.4929370801. The cubic root of 966929681 is about 988.8527611208.

The spelling of 966929681 in words is "nine hundred sixty-six million, nine hundred twenty-nine thousand, six hundred eighty-one".