43443213141 has 4 divisors (see below), whose sum is σ = 57924284192. Its totient is φ = 28962142092.

The previous prime is 43443213139. The next prime is 43443213221. The reversal of 43443213141 is 14131234434.

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 not a de Polignac number, because 43443213141 - 2¹ = 43443213139 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43443213099 and 43443213108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43443214141) 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, 7240535521 + ... + 7240535526.

It is an arithmetic number, because the mean of its divisors is an integer number (14481071048).

Almost surely, 2^43443213141 is an apocalyptic number.

It is an amenable number.

43443213141 is a deficient number, since it is larger than the sum of its proper divisors (14481071051).

43443213141 is a wasteful number, since it uses less digits than its factorization.

43443213141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481071050.

The product of its digits is 13824, while the sum is 30.

Adding to 43443213141 its reverse (14131234434), we get a palindrome (57574447575).

The spelling of 43443213141 in words is "forty-three billion, four hundred forty-three million, two hundred thirteen thousand, one hundred forty-one".