4043220999 has 8 divisors (see below), whose sum is σ = 5391263472. Its totient is φ = 2695329600.

The previous prime is 4043220989. The next prime is 4043221001. The reversal of 4043220999 is 9990223404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4043220999 - 2⁵ = 4043220967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4043220999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043220949) 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 7 ways as a sum of consecutive naturals, for example, 63387 + ... + 110019.

It is an arithmetic number, because the mean of its divisors is an integer number (673907934).

Almost surely, 2^4043220999 is an apocalyptic number.

4043220999 is a deficient number, since it is larger than the sum of its proper divisors (1348042473).

4043220999 is a wasteful number, since it uses less digits than its factorization.

4043220999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75537.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 4043220999 is about 63586.3271387804. The cubic root of 4043220999 is about 1593.0980035850.

The spelling of 4043220999 in words is "four billion, forty-three million, two hundred twenty thousand, nine hundred ninety-nine".