4420664593 has 2 divisors, whose sum is σ = 4420664594. Its totient is φ = 4420664592.

The previous prime is 4420664569. The next prime is 4420664603. The reversal of 4420664593 is 3954660244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2485720449 + 1934944144 = 49857^2 + 43988^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420664593 - 2⁹ = 4420664081 is a prime.

It is not a weakly prime, because it can be changed into another prime (4420664893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210332296 + 2210332297.

It is an arithmetic number, because the mean of its divisors is an integer number (2210332297).

Almost surely, 2^4420664593 is an apocalyptic number.

It is an amenable number.

4420664593 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420664593 is an equidigital number, since it uses as much as digits as its factorization.

4420664593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 4420664593 is about 66488.0785780428. The cubic root of 4420664593 is about 1641.2038297097.

The spelling of 4420664593 in words is "four billion, four hundred twenty million, six hundred sixty-four thousand, five hundred ninety-three".