4644660673 has 2 divisors, whose sum is σ = 4644660674. Its totient is φ = 4644660672.

The previous prime is 4644660659. The next prime is 4644660689. The reversal of 4644660673 is 3760664464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3886649649 + 758011024 = 62343^2 + 27532^2 .

It is a cyclic number.

It is not a de Polignac number, because 4644660673 - 2⁹ = 4644660161 is a prime.

It is not a weakly prime, because it can be changed into another prime (4644660623) 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, 2322330336 + 2322330337.

It is an arithmetic number, because the mean of its divisors is an integer number (2322330337).

Almost surely, 2^4644660673 is an apocalyptic number.

It is an amenable number.

4644660673 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644660673 is an equidigital number, since it uses as much as digits as its factorization.

4644660673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 46.

The square root of 4644660673 is about 68151.7473950595. The cubic root of 4644660673 is about 1668.4684433297.

The spelling of 4644660673 in words is "four billion, six hundred forty-four million, six hundred sixty thousand, six hundred seventy-three".