4414433621 has 24 divisors (see below), whose sum is σ = 5060198880. Its totient is φ = 3842669376.

The previous prime is 4414433603. The next prime is 4414433651. The reversal of 4414433621 is 1263344144.

It is not a de Polignac number, because 4414433621 - 2⁶ = 4414433557 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 (4414433651) 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 23 ways as a sum of consecutive naturals, for example, 200270 + ... + 221216.

It is an arithmetic number, because the mean of its divisors is an integer number (210841620).

Almost surely, 2^4414433621 is an apocalyptic number.

It is an amenable number.

4414433621 is a deficient number, since it is larger than the sum of its proper divisors (645765259).

4414433621 is a wasteful number, since it uses less digits than its factorization.

4414433621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21045 (or 21032 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 4414433621 is about 66441.2042410431. The cubic root of 4414433621 is about 1640.4323692691.

Adding to 4414433621 its reverse (1263344144), we get a palindrome (5677777765).

The spelling of 4414433621 in words is "four billion, four hundred fourteen million, four hundred thirty-three thousand, six hundred twenty-one".