4414331021 has 4 divisors (see below), whose sum is σ = 4414476252. Its totient is φ = 4414185792.

The previous prime is 4414330967. The next prime is 4414331041. The reversal of 4414331021 is 1201334144.

4414331021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3970386121 + 443944900 = 63011^2 + 21070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4414331021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4414331041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7646 + ... + 94271.

It is an arithmetic number, because the mean of its divisors is an integer number (1103619063).

Almost surely, 2^4414331021 is an apocalyptic number.

It is an amenable number.

4414331021 is a deficient number, since it is larger than the sum of its proper divisors (145231).

4414331021 is a wasteful number, since it uses less digits than its factorization.

4414331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145230.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4414331021 is about 66440.4321253256. The cubic root of 4414331021 is about 1640.4196602273.

Adding to 4414331021 its reverse (1201334144), we get a palindrome (5615665165).

The spelling of 4414331021 in words is "four billion, four hundred fourteen million, three hundred thirty-one thousand, twenty-one".