4488888889 has 2 divisors, whose sum is σ = 4488888890. Its totient is φ = 4488888888.

The previous prime is 4488888883. The next prime is 4488888949. The reversal of 4488888889 is 9888888844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4443555600 + 45333289 = 66660^2 + 6733^2 .

It is a cyclic number.

It is not a de Polignac number, because 4488888889 - 2³ = 4488888881 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (4488888881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2244444444 + 2244444445.

It is an arithmetic number, because the mean of its divisors is an integer number (2244444445).

Almost surely, 2^4488888889 is an apocalyptic number.

It is an amenable number.

4488888889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4488888889 is an equidigital number, since it uses as much as digits as its factorization.

4488888889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 301989888, while the sum is 73.

The square root of 4488888889 is about 66999.1708083018. The cubic root of 4488888889 is about 1649.6036867578.

The spelling of 4488888889 in words is "four billion, four hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-nine".