441132144421 has 4 divisors (see below), whose sum is σ = 441136781344. Its totient is φ = 441127507500.

The previous prime is 441132144403. The next prime is 441132144433. The reversal of 441132144421 is 124441231144.

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 441132144421 - 2¹⁵ = 441132111653 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 (441132144121) 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, 2172705 + ... + 2367046.

It is an arithmetic number, because the mean of its divisors is an integer number (110284195336).

Almost surely, 2^441132144421 is an apocalyptic number.

It is an amenable number.

441132144421 is a deficient number, since it is larger than the sum of its proper divisors (4636923).

441132144421 is an equidigital number, since it uses as much as digits as its factorization.

441132144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636922.

The product of its digits is 12288, while the sum is 31.

Adding to 441132144421 its reverse (124441231144), we get a palindrome (565573375565).

The spelling of 441132144421 in words is "four hundred forty-one billion, one hundred thirty-two million, one hundred forty-four thousand, four hundred twenty-one".