43124842133 has 4 divisors (see below), whose sum is σ = 43186361868. Its totient is φ = 43063322400.

The previous prime is 43124842129. The next prime is 43124842139. The reversal of 43124842133 is 33124842134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32725533604 + 10399308529 = 180902^2 + 101977^2 .

It is a cyclic number.

It is not a de Polignac number, because 43124842133 - 2² = 43124842129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43124842093 and 43124842102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43124842139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30758816 + ... + 30760217.

It is an arithmetic number, because the mean of its divisors is an integer number (10796590467).

Almost surely, 2^43124842133 is an apocalyptic number.

It is an amenable number.

43124842133 is a deficient number, since it is larger than the sum of its proper divisors (61519735).

43124842133 is an equidigital number, since it uses as much as digits as its factorization.

43124842133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61519734.

The product of its digits is 55296, while the sum is 35.

Subtracting from 43124842133 its reverse (33124842134), we obtain a palindrome (9999999999).

The spelling of 43124842133 in words is "forty-three billion, one hundred twenty-four million, eight hundred forty-two thousand, one hundred thirty-three".