433134421 has 4 divisors (see below), whose sum is σ = 438352992. Its totient is φ = 427915852.

The previous prime is 433134419. The next prime is 433134433. The reversal of 433134421 is 124431334.

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 433134421 - 2¹ = 433134419 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 (433134491) 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, 2609161 + ... + 2609326.

It is an arithmetic number, because the mean of its divisors is an integer number (109588248).

Almost surely, 2^433134421 is an apocalyptic number.

It is an amenable number.

433134421 is a deficient number, since it is larger than the sum of its proper divisors (5218571).

433134421 is an equidigital number, since it uses as much as digits as its factorization.

433134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218570.

The product of its digits is 3456, while the sum is 25.

The square root of 433134421 is about 20811.8817265523. The cubic root of 433134421 is about 756.6137556935.

Adding to 433134421 its reverse (124431334), we get a palindrome (557565755).

The spelling of 433134421 in words is "four hundred thirty-three million, one hundred thirty-four thousand, four hundred twenty-one".