4143064421 has 4 divisors (see below), whose sum is σ = 4143246144. Its totient is φ = 4142882700.

The previous prime is 4143064417. The next prime is 4143064427. The reversal of 4143064421 is 1244603414.

4143064421 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1244603414 = 2 ⋅622301707.

It is a cyclic number.

It is not a de Polignac number, because 4143064421 - 2² = 4143064417 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 (4143064427) 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, 50765 + ... + 104226.

It is an arithmetic number, because the mean of its divisors is an integer number (1035811536).

Almost surely, 2^4143064421 is an apocalyptic number.

It is an amenable number.

4143064421 is a deficient number, since it is larger than the sum of its proper divisors (181723).

4143064421 is a wasteful number, since it uses less digits than its factorization.

4143064421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181722.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4143064421 is about 64366.6405912255. The cubic root of 4143064421 is about 1606.1048568937.

Adding to 4143064421 its reverse (1244603414), we get a palindrome (5387667835).

The spelling of 4143064421 in words is "four billion, one hundred forty-three million, sixty-four thousand, four hundred twenty-one".