4043220663 has 16 divisors (see below), whose sum is σ = 5616884736. Its totient is φ = 2584144320.

The previous prime is 4043220661. The next prime is 4043220667. The reversal of 4043220663 is 3660223404.

It is a happy number.

It is not a de Polignac number, because 4043220663 - 2¹ = 4043220661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4043220663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043220661) 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, 193206 + ... + 213107.

It is an arithmetic number, because the mean of its divisors is an integer number (351055296).

Almost surely, 2^4043220663 is an apocalyptic number.

4043220663 is a deficient number, since it is larger than the sum of its proper divisors (1573664073).

4043220663 is a wasteful number, since it uses less digits than its factorization.

4043220663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406454.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 4043220663 is about 63586.3244967029. The cubic root of 4043220663 is about 1593.0979594551.

The spelling of 4043220663 in words is "four billion, forty-three million, two hundred twenty thousand, six hundred sixty-three".