4447007663 has 16 divisors (see below), whose sum is σ = 5111277120. Its totient is φ = 3790043136.

The previous prime is 4447007659. The next prime is 4447007701. The reversal of 4447007663 is 3667007444.

It is a cyclic number.

It is not a de Polignac number, because 4447007663 - 2² = 4447007659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4447007663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4447007603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1084445 + ... + 1088537.

It is an arithmetic number, because the mean of its divisors is an integer number (319454820).

Almost surely, 2^4447007663 is an apocalyptic number.

4447007663 is a deficient number, since it is larger than the sum of its proper divisors (664269457).

4447007663 is a wasteful number, since it uses less digits than its factorization.

4447007663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946.

The product of its (nonzero) digits is 338688, while the sum is 41.

The square root of 4447007663 is about 66685.8880348759. Note that the first 3 decimals coincide. The cubic root of 4447007663 is about 1644.4573941719.

The spelling of 4447007663 in words is "four billion, four hundred forty-seven million, seven thousand, six hundred sixty-three".