434133244021 has 4 divisors (see below), whose sum is σ = 434173560544. Its totient is φ = 434092927500.

The previous prime is 434133244009. The next prime is 434133244049. The reversal of 434133244021 is 120442331434.

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 434133244021 - 2⁵ = 434133243989 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 (434133244921) 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, 20142105 + ... + 20163646.

It is an arithmetic number, because the mean of its divisors is an integer number (108543390136).

Almost surely, 2^434133244021 is an apocalyptic number.

It is an amenable number.

434133244021 is a deficient number, since it is larger than the sum of its proper divisors (40316523).

434133244021 is a wasteful number, since it uses less digits than its factorization.

434133244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40316522.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 434133244021 its reverse (120442331434), we get a palindrome (554575575455).

The spelling of 434133244021 in words is "four hundred thirty-four billion, one hundred thirty-three million, two hundred forty-four thousand, twenty-one".