8694460661 has 2 divisors, whose sum is σ = 8694460662. Its totient is φ = 8694460660.

The previous prime is 8694460639. The next prime is 8694460679. The reversal of 8694460661 is 1660644968.

8694460661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8687358436 + 7102225 = 93206^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 8694460661 - 2⁶ = 8694460597 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 (8694460361) 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, 4347230330 + 4347230331.

It is an arithmetic number, because the mean of its divisors is an integer number (4347230331).

Almost surely, 2^8694460661 is an apocalyptic number.

It is an amenable number.

8694460661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8694460661 is an equidigital number, since it uses as much as digits as its factorization.

8694460661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The square root of 8694460661 is about 93244.0918289196. The cubic root of 8694460661 is about 2056.2735172263.

The spelling of 8694460661 in words is "eight billion, six hundred ninety-four million, four hundred sixty thousand, six hundred sixty-one".