4143013221 has 8 divisors (see below), whose sum is σ = 5529076000. Its totient is φ = 2759479632.

The previous prime is 4143013219. The next prime is 4143013297. The reversal of 4143013221 is 1223103414.

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

It is not a de Polignac number, because 4143013221 - 2¹ = 4143013219 is a prime.

It is a super-3 number, since 3×4143013221³ (a number of 30 digits) contains 333 as substring.

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 (4143013211) 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, 628471 + ... + 635028.

It is an arithmetic number, because the mean of its divisors is an integer number (691134500).

Almost surely, 2^4143013221 is an apocalyptic number.

It is an amenable number.

4143013221 is a deficient number, since it is larger than the sum of its proper divisors (1386062779).

4143013221 is a wasteful number, since it uses less digits than its factorization.

4143013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264595.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4143013221 is about 64366.2428684477. The cubic root of 4143013221 is about 1606.0982407839.

Adding to 4143013221 its reverse (1223103414), we get a palindrome (5366116635).

The spelling of 4143013221 in words is "four billion, one hundred forty-three million, thirteen thousand, two hundred twenty-one".