443132144231421 has 16 divisors (see below), whose sum is σ = 598328152796160. Its totient is φ = 291678860956080.

The previous prime is 443132144231401. The next prime is 443132144231443. The reversal of 443132144231421 is 124132441231344.

It is not a de Polignac number, because 443132144231421 - 2¹⁴ = 443132144215037 is a prime.

It is a super-3 number, since 3×443132144231421³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 443132144231421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443132144231401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12976786 + ... + 32475548.

It is an arithmetic number, because the mean of its divisors is an integer number (37395509549760).

Almost surely, 2^{443132144231421} is an apocalyptic number.

It is an amenable number.

443132144231421 is a deficient number, since it is larger than the sum of its proper divisors (155196008564739).

443132144231421 is a wasteful number, since it uses less digits than its factorization.

443132144231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19594736.

The product of its digits is 221184, while the sum is 39.

Adding to 443132144231421 its reverse (124132441231344), we get a palindrome (567264585462765).

The spelling of 443132144231421 in words is "four hundred forty-three trillion, one hundred thirty-two billion, one hundred forty-four million, two hundred thirty-one thousand, four hundred twenty-one".