4089569489 has 2 divisors, whose sum is σ = 4089569490. Its totient is φ = 4089569488.

The previous prime is 4089569459. The next prime is 4089569501. The reversal of 4089569489 is 9849659804.

It is a happy number.

4089569489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3139697089 + 949872400 = 56033^2 + 30820^2 .

It is a cyclic number.

It is not a de Polignac number, because 4089569489 - 2⁸ = 4089569233 is a prime.

It is a super-2 number, since 2×4089569489² = 33449157210719442242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4089569459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044784744 + 2044784745.

It is an arithmetic number, because the mean of its divisors is an integer number (2044784745).

Almost surely, 2^4089569489 is an apocalyptic number.

It is an amenable number.

4089569489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4089569489 is an equidigital number, since it uses as much as digits as its factorization.

4089569489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22394880, while the sum is 62.

The square root of 4089569489 is about 63949.7418994010. The cubic root of 4089569489 is about 1599.1622553217.

The spelling of 4089569489 in words is "four billion, eighty-nine million, five hundred sixty-nine thousand, four hundred eighty-nine".