4089489850 has 12 divisors (see below), whose sum is σ = 7606451214. Its totient is φ = 1635795920.

The previous prime is 4089489823. The next prime is 4089489851. The reversal of 4089489850 is 589849804.

It can be written as a sum of positive squares in 3 ways, for example, as 3233400769 + 856089081 = 56863^2 + 29259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4089489791 and 4089489800.

It is not an unprimeable number, because it can be changed into a prime (4089489851) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 40894849 + ... + 40894948.

Almost surely, 2^4089489850 is an apocalyptic number.

4089489850 is a deficient number, since it is larger than the sum of its proper divisors (3516961364).

4089489850 is a wasteful number, since it uses less digits than its factorization.

4089489850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81789809 (or 81789804 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The square root of 4089489850 is about 63949.1192277110. The cubic root of 4089489850 is about 1599.1518747254.

The spelling of 4089489850 in words is "four billion, eighty-nine million, four hundred eighty-nine thousand, eight hundred fifty".