43274575543 has 4 divisors (see below), whose sum is σ = 43561162288. Its totient is φ = 42987988800.

The previous prime is 43274575517. The next prime is 43274575559. The reversal of 43274575543 is 34557547234.

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 43274575543 - 2⁹ = 43274575031 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 (43274575583) 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, 143293146 + ... + 143293447.

It is an arithmetic number, because the mean of its divisors is an integer number (10890290572).

Almost surely, 2^43274575543 is an apocalyptic number.

43274575543 is a deficient number, since it is larger than the sum of its proper divisors (286586745).

43274575543 is a wasteful number, since it uses less digits than its factorization.

43274575543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286586744.

The product of its digits is 7056000, while the sum is 49.

The spelling of 43274575543 in words is "forty-three billion, two hundred seventy-four million, five hundred seventy-five thousand, five hundred forty-three".