432444144221 has 4 divisors (see below), whose sum is σ = 432674292000. Its totient is φ = 432213996444.

The previous prime is 432444144217. The next prime is 432444144283. The reversal of 432444144221 is 122441444234.

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 432444144221 - 2² = 432444144217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432444140221) 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, 115071071 + ... + 115074828.

It is an arithmetic number, because the mean of its divisors is an integer number (108168573000).

Almost surely, 2^432444144221 is an apocalyptic number.

It is an amenable number.

432444144221 is a deficient number, since it is larger than the sum of its proper divisors (230147779).

432444144221 is a wasteful number, since it uses less digits than its factorization.

432444144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230147778.

The product of its digits is 98304, while the sum is 35.

Adding to 432444144221 its reverse (122441444234), we get a palindrome (554885588455).

The spelling of 432444144221 in words is "four hundred thirty-two billion, four hundred forty-four million, one hundred forty-four thousand, two hundred twenty-one".