43124422213 has 2 divisors, whose sum is σ = 43124422214. Its totient is φ = 43124422212.

The previous prime is 43124422199. The next prime is 43124422267. The reversal of 43124422213 is 31222442134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42521326849 + 603095364 = 206207^2 + 24558^2 .

It is a cyclic number.

It is not a de Polignac number, because 43124422213 - 2³³ = 34534487621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43124422283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21562211106 + 21562211107.

It is an arithmetic number, because the mean of its divisors is an integer number (21562211107).

Almost surely, 2^43124422213 is an apocalyptic number.

It is an amenable number.

43124422213 is a deficient number, since it is larger than the sum of its proper divisors (1).

43124422213 is an equidigital number, since it uses as much as digits as its factorization.

43124422213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 28.

Adding to 43124422213 its reverse (31222442134), we get a palindrome (74346864347).

The spelling of 43124422213 in words is "forty-three billion, one hundred twenty-four million, four hundred twenty-two thousand, two hundred thirteen".