4089449803 has 4 divisors (see below), whose sum is σ = 4090884040. Its totient is φ = 4088015568.

The previous prime is 4089449797. The next prime is 4089449813. The reversal of 4089449803 is 3089449804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4089449803 - 2⁹ = 4089449291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4089449813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712833 + ... + 718546.

It is an arithmetic number, because the mean of its divisors is an integer number (1022721010).

Almost surely, 2^4089449803 is an apocalyptic number.

4089449803 is a deficient number, since it is larger than the sum of its proper divisors (1434237).

4089449803 is a wasteful number, since it uses less digits than its factorization.

4089449803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434236.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 4089449803 is about 63948.8061108259. The cubic root of 4089449803 is about 1599.1466547227.

Subtracting from 4089449803 its reverse (3089449804), we obtain a palindrome (999999999).

The spelling of 4089449803 in words is "four billion, eighty-nine million, four hundred forty-nine thousand, eight hundred three".