4221324421999 has 8 divisors (see below), whose sum is σ = 4224096479232. Its totient is φ = 4218552868920.

The previous prime is 4221324421933. The next prime is 4221324422009. The reversal of 4221324421999 is 9991244231224.

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

It is a cyclic number.

It is not a de Polignac number, because 4221324421999 - 2¹³ = 4221324413807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221324425999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17422414 + ... + 17663044.

It is an arithmetic number, because the mean of its divisors is an integer number (528012059904).

Almost surely, 2^{4221324421999} is an apocalyptic number.

4221324421999 is a deficient number, since it is larger than the sum of its proper divisors (2772057233).

4221324421999 is a wasteful number, since it uses less digits than its factorization.

4221324421999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252077.

The product of its digits is 2239488, while the sum is 52.

The spelling of 4221324421999 in words is "four trillion, two hundred twenty-one billion, three hundred twenty-four million, four hundred twenty-one thousand, nine hundred ninety-nine".