8610619649 has 2 divisors, whose sum is σ = 8610619650. Its totient is φ = 8610619648.

The previous prime is 8610619601. The next prime is 8610619657. The reversal of 8610619649 is 9469160168.

8610619649 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., 7732564225 + 878055424 = 87935^2 + 29632^2 .

It is a cyclic number.

It is not a de Polignac number, because 8610619649 - 2⁸ = 8610619393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8610619597 and 8610619606.

It is not a weakly prime, because it can be changed into another prime (8610619049) 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, 4305309824 + 4305309825.

It is an arithmetic number, because the mean of its divisors is an integer number (4305309825).

Almost surely, 2^8610619649 is an apocalyptic number.

It is an amenable number.

8610619649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8610619649 is an equidigital number, since it uses as much as digits as its factorization.

8610619649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 8610619649 is about 92793.4246000222. The cubic root of 8610619649 is about 2049.6425828595.

The spelling of 8610619649 in words is "eight billion, six hundred ten million, six hundred nineteen thousand, six hundred forty-nine".