44523020089 has 2 divisors, whose sum is σ = 44523020090. Its totient is φ = 44523020088.

The previous prime is 44523020071. The next prime is 44523020141. The reversal of 44523020089 is 98002032544.

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., 42490813689 + 2032206400 = 206133^2 + 45080^2 .

It is a cyclic number.

It is not a de Polignac number, because 44523020089 - 2⁵ = 44523020057 is a prime.

It is not a weakly prime, because it can be changed into another prime (44523060089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22261510044 + 22261510045.

It is an arithmetic number, because the mean of its divisors is an integer number (22261510045).

Almost surely, 2^44523020089 is an apocalyptic number.

It is an amenable number.

44523020089 is a deficient number, since it is larger than the sum of its proper divisors (1).

44523020089 is an equidigital number, since it uses as much as digits as its factorization.

44523020089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 44523020089 in words is "forty-four billion, five hundred twenty-three million, twenty thousand, eighty-nine".