4489624986 has 64 divisors (see below), whose sum is σ = 11219420160. Its totient is φ = 1163583360.

The previous prime is 4489624967. The next prime is 4489624991. The reversal of 4489624986 is 6894269844.

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 31 ways as a sum of consecutive naturals, for example, 205350 + ... + 226158.

It is an arithmetic number, because the mean of its divisors is an integer number (175303440).

Almost surely, 2^4489624986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4489624986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5609710080).

4489624986 is an abundant number, since it is smaller than the sum of its proper divisors (6729795174).

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

4489624986 is a wasteful number, since it uses less digits than its factorization.

4489624986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21299.

The product of its digits is 23887872, while the sum is 60.

The square root of 4489624986 is about 67004.6639122979. The cubic root of 4489624986 is about 1649.6938502696.

The spelling of 4489624986 in words is "four billion, four hundred eighty-nine million, six hundred twenty-four thousand, nine hundred eighty-six".