4481990089 has 2 divisors, whose sum is σ = 4481990090. Its totient is φ = 4481990088.

The previous prime is 4481990083. The next prime is 4481990167. The reversal of 4481990089 is 9800991844.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3931290000 + 550700089 = 62700^2 + 23467^2 .

It is a cyclic number.

It is not a de Polignac number, because 4481990089 - 2⁵ = 4481990057 is a prime.

It is not a weakly prime, because it can be changed into another prime (4481990083) 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, 2240995044 + 2240995045.

It is an arithmetic number, because the mean of its divisors is an integer number (2240995045).

Almost surely, 2^4481990089 is an apocalyptic number.

It is an amenable number.

4481990089 is a deficient number, since it is larger than the sum of its proper divisors (1).

4481990089 is an equidigital number, since it uses as much as digits as its factorization.

4481990089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 4481990089 is about 66947.6667928017. Note that the first 3 decimals coincide. The cubic root of 4481990089 is about 1648.7581827328.

The spelling of 4481990089 in words is "four billion, four hundred eighty-one million, nine hundred ninety thousand, eighty-nine".