4483998649 has 16 divisors (see below), whose sum is σ = 5052297600. Its totient is φ = 3948569856.

The previous prime is 4483998619. The next prime is 4483998653. The reversal of 4483998649 is 9468993844.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4483998649 - 2⁷ = 4483998521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4483998619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93537 + ... + 133105.

It is an arithmetic number, because the mean of its divisors is an integer number (315768600).

Almost surely, 2^4483998649 is an apocalyptic number.

It is an amenable number.

4483998649 is a deficient number, since it is larger than the sum of its proper divisors (568298951).

4483998649 is a wasteful number, since it uses less digits than its factorization.

4483998649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39984.

The product of its digits is 53747712, while the sum is 64.

The square root of 4483998649 is about 66962.6660834229. Note that the first 3 decimals coincide. The cubic root of 4483998649 is about 1649.0044375661.

The spelling of 4483998649 in words is "four billion, four hundred eighty-three million, nine hundred ninety-eight thousand, six hundred forty-nine".