4489878898 has 16 divisors (see below), whose sum is σ = 7029480960. Its totient is φ = 2146769856.

The previous prime is 4489878889. The next prime is 4489878979. The reversal of 4489878898 is 8988789844.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4489878898.

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, 203743 + ... + 224701.

It is an arithmetic number, because the mean of its divisors is an integer number (439342560).

Almost surely, 2^4489878898 is an apocalyptic number.

4489878898 is a deficient number, since it is larger than the sum of its proper divisors (2539602062).

4489878898 is a wasteful number, since it uses less digits than its factorization.

4489878898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25641.

The product of its digits is 297271296, while the sum is 73.

The square root of 4489878898 is about 67006.5586192874. The cubic root of 4489878898 is about 1649.7249493161.

The spelling of 4489878898 in words is "four billion, four hundred eighty-nine million, eight hundred seventy-eight thousand, eight hundred ninety-eight".