4389489418 has 16 divisors (see below), whose sum is σ = 6882454080. Its totient is φ = 2095670016.

The previous prime is 4389489359. The next prime is 4389489439. The reversal of 4389489418 is 8149849834.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56148 + ... + 109231.

It is an arithmetic number, because the mean of its divisors is an integer number (430153380).

Almost surely, 2^4389489418 is an apocalyptic number.

4389489418 is a deficient number, since it is larger than the sum of its proper divisors (2492964662).

4389489418 is a wasteful number, since it uses less digits than its factorization.

4389489418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165981.

The product of its digits is 7962624, while the sum is 58.

The square root of 4389489418 is about 66253.2219442949. The cubic root of 4389489418 is about 1637.3367215788.

The spelling of 4389489418 in words is "four billion, three hundred eighty-nine million, four hundred eighty-nine thousand, four hundred eighteen".