4489981068 has 24 divisors (see below), whose sum is σ = 10477721968. Its totient is φ = 1496503296.

The previous prime is 4489981051. The next prime is 4489981073. The reversal of 4489981068 is 8601899844.

It is a junction number, because it is equal to n+sod(n) for n = 4489980999 and 4489981017.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 183780 + ... + 206772.

Almost surely, 2^4489981068 is an apocalyptic number.

It is an amenable number.

4489981068 is an abundant number, since it is smaller than the sum of its proper divisors (5987740900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4489981068 is a wasteful number, since it uses less digits than its factorization.

4489981068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39273 (or 39271 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The square root of 4489981068 is about 67007.3210030068. The cubic root of 4489981068 is about 1649.7374627285.

The spelling of 4489981068 in words is "four billion, four hundred eighty-nine million, nine hundred eighty-one thousand, sixty-eight".