4643433112221 has 12 divisors (see below), whose sum is σ = 6707250531072. Its totient is φ = 3095590058376.

The previous prime is 4643433112183. The next prime is 4643433112261. The reversal of 4643433112221 is 1222113343464.

4643433112221 is a `hidden beast` number, since 4 + 64 + 34 + 331 + 12 + 221 = 666.

It is not a de Polignac number, because 4643433112221 - 2⁷ = 4643433112093 is a prime.

It is a super-2 number, since 2×4643433112221² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643433112261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1732221 + ... + 3505346.

It is an arithmetic number, because the mean of its divisors is an integer number (558937544256).

Almost surely, 2^{4643433112221} is an apocalyptic number.

It is an amenable number.

4643433112221 is a deficient number, since it is larger than the sum of its proper divisors (2063817418851).

4643433112221 is a wasteful number, since it uses less digits than its factorization.

4643433112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336080 (or 5336077 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

Adding to 4643433112221 its reverse (1222113343464), we get a palindrome (5865546455685).

The spelling of 4643433112221 in words is "four trillion, six hundred forty-three billion, four hundred thirty-three million, one hundred twelve thousand, two hundred twenty-one".