4134433421 has 4 divisors (see below), whose sum is σ = 4352035200. Its totient is φ = 3916831644.

The previous prime is 4134433397. The next prime is 4134433423. The reversal of 4134433421 is 1243344314.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 4134433421 - 2⁶ = 4134433357 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 (4134433423) 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 3 ways as a sum of consecutive naturals, for example, 108800861 + ... + 108800898.

It is an arithmetic number, because the mean of its divisors is an integer number (1088008800).

Almost surely, 2^4134433421 is an apocalyptic number.

It is an amenable number.

4134433421 is a deficient number, since it is larger than the sum of its proper divisors (217601779).

4134433421 is a wasteful number, since it uses less digits than its factorization.

4134433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217601778.

The product of its digits is 13824, while the sum is 29.

The square root of 4134433421 is about 64299.5600373751. The cubic root of 4134433421 is about 1604.9887805688.

Adding to 4134433421 its reverse (1243344314), we get a palindrome (5377777735).

The spelling of 4134433421 in words is "four billion, one hundred thirty-four million, four hundred thirty-three thousand, four hundred twenty-one".