4589664809 has 2 divisors, whose sum is σ = 4589664810. Its totient is φ = 4589664808.

The previous prime is 4589664773. The next prime is 4589664847. The reversal of 4589664809 is 9084669854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3295104409 + 1294560400 = 57403^2 + 35980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4589664809 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4589664509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2294832404 + 2294832405.

It is an arithmetic number, because the mean of its divisors is an integer number (2294832405).

Almost surely, 2^4589664809 is an apocalyptic number.

It is an amenable number.

4589664809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4589664809 is an equidigital number, since it uses as much as digits as its factorization.

4589664809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 59.

The square root of 4589664809 is about 67747.0649474942. The cubic root of 4589664809 is about 1661.8570219328.

The spelling of 4589664809 in words is "four billion, five hundred eighty-nine million, six hundred sixty-four thousand, eight hundred nine".