4044659989 has 2 divisors, whose sum is σ = 4044659990. Its totient is φ = 4044659988.

The previous prime is 4044659867. The next prime is 4044660001. The reversal of 4044659989 is 9899564404.

4044659989 is digitally balanced in base 3, 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., 4021715889 + 22944100 = 63417^2 + 4790^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044659989 - 2¹⁵ = 4044627221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044659189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022329994 + 2022329995.

It is an arithmetic number, because the mean of its divisors is an integer number (2022329995).

Almost surely, 2^4044659989 is an apocalyptic number.

It is an amenable number.

4044659989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044659989 is an equidigital number, since it uses as much as digits as its factorization.

4044659989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The square root of 4044659989 is about 63597.6413792210. The cubic root of 4044659989 is about 1593.2869766989.

The spelling of 4044659989 in words is "four billion, forty-four million, six hundred fifty-nine thousand, nine hundred eighty-nine".