4388988889 has 16 divisors (see below), whose sum is σ = 4685325120. Its totient is φ = 4097018880.

The previous prime is 4388988881. The next prime is 4388988911. The reversal of 4388988889 is 9888898834.

It is a cyclic number.

It is not a de Polignac number, because 4388988889 - 2³ = 4388988881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4388988881) 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 in 15 ways as a sum of consecutive naturals, for example, 1315954 + ... + 1319284.

It is an arithmetic number, because the mean of its divisors is an integer number (292832820).

Almost surely, 2^4388988889 is an apocalyptic number.

It is an amenable number.

4388988889 is a deficient number, since it is larger than the sum of its proper divisors (296336231).

4388988889 is a wasteful number, since it uses less digits than its factorization.

4388988889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960.

The product of its digits is 254803968, while the sum is 73.

The square root of 4388988889 is about 66249.4444429536. Note that the first 5 decimals coincide. The cubic root of 4388988889 is about 1637.2744846012.

The spelling of 4388988889 in words is "four billion, three hundred eighty-eight million, nine hundred eighty-eight thousand, eight hundred eighty-nine".