434212044421 has 4 divisors (see below), whose sum is σ = 434233342432. Its totient is φ = 434190746412.

The previous prime is 434212044313. The next prime is 434212044449. The reversal of 434212044421 is 124440212434.

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 434212044421 - 2¹⁷ = 434211913349 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 (434212044491) 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, 10618395 + ... + 10659208.

It is an arithmetic number, because the mean of its divisors is an integer number (108558335608).

Almost surely, 2^434212044421 is an apocalyptic number.

It is an amenable number.

434212044421 is a deficient number, since it is larger than the sum of its proper divisors (21298011).

434212044421 is a wasteful number, since it uses less digits than its factorization.

434212044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21298010.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 434212044421 its reverse (124440212434), we get a palindrome (558652256855).

The spelling of 434212044421 in words is "four hundred thirty-four billion, two hundred twelve million, forty-four thousand, four hundred twenty-one".