8966996693 has 2 divisors, whose sum is σ = 8966996694. Its totient is φ = 8966996692.

The previous prime is 8966996677. The next prime is 8966996699. The reversal of 8966996693 is 3966996698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8963923684 + 3073009 = 94678^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 8966996693 - 2⁴ = 8966996677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8966996699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4483498346 + 4483498347.

It is an arithmetic number, because the mean of its divisors is an integer number (4483498347).

Almost surely, 2^8966996693 is an apocalyptic number.

It is an amenable number.

8966996693 is a deficient number, since it is larger than the sum of its proper divisors (1).

8966996693 is an equidigital number, since it uses as much as digits as its factorization.

8966996693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204073344, while the sum is 71.

The square root of 8966996693 is about 94694.2273478167. The cubic root of 8966996693 is about 2077.5381293519.

The spelling of 8966996693 in words is "eight billion, nine hundred sixty-six million, nine hundred ninety-six thousand, six hundred ninety-three".