8604688949 has 2 divisors, whose sum is σ = 8604688950. Its totient is φ = 8604688948.

The previous prime is 8604688891. The next prime is 8604688991. The reversal of 8604688949 is 9498864068.

8604688949 is digitally balanced in base 3, 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., 6584186449 + 2020502500 = 81143^2 + 44950^2 .

It is a cyclic number.

It is not a de Polignac number, because 8604688949 - 2²⁰ = 8603640373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8604688891 and 8604688900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8604688349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4302344474 + 4302344475.

It is an arithmetic number, because the mean of its divisors is an integer number (4302344475).

Almost surely, 2^8604688949 is an apocalyptic number.

It is an amenable number.

8604688949 is a deficient number, since it is larger than the sum of its proper divisors (1).

8604688949 is an equidigital number, since it uses as much as digits as its factorization.

8604688949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23887872, while the sum is 62.

The square root of 8604688949 is about 92761.4626286153. The cubic root of 8604688949 is about 2049.1719002348.

The spelling of 8604688949 in words is "eight billion, six hundred four million, six hundred eighty-eight thousand, nine hundred forty-nine".