43143534440563 has 4 divisors (see below), whose sum is σ = 45414246779560. Its totient is φ = 40872822101568.

The previous prime is 43143534440561. The next prime is 43143534440569. The reversal of 43143534440563 is 36504443534134.

It is a happy number.

43143534440563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43143534440563 - 2¹ = 43143534440561 is a prime.

It is a super-2 number, since 2×43143534440563² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43143534440561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135356169470 + ... + 1135356169507.

It is an arithmetic number, because the mean of its divisors is an integer number (11353561694890).

Almost surely, 2^{43143534440563} is an apocalyptic number.

43143534440563 is a deficient number, since it is larger than the sum of its proper divisors (2270712338997).

43143534440563 is a wasteful number, since it uses less digits than its factorization.

43143534440563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270712338996.

The product of its (nonzero) digits is 12441600, while the sum is 49.

Adding to 43143534440563 its reverse (36504443534134), we get a palindrome (79647977974697).

The spelling of 43143534440563 in words is "forty-three trillion, one hundred forty-three billion, five hundred thirty-four million, four hundred forty thousand, five hundred sixty-three".