43434221041 has 2 divisors, whose sum is σ = 43434221042. Its totient is φ = 43434221040.

The previous prime is 43434221029. The next prime is 43434221063. The reversal of 43434221041 is 14012243434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32639842225 + 10794378816 = 180665^2 + 103896^2 .

It is a cyclic number.

It is not a de Polignac number, because 43434221041 - 2³⁵ = 9074482673 is a prime.

It is not a weakly prime, because it can be changed into another prime (43434221641) 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 as a sum of consecutive naturals, namely, 21717110520 + 21717110521.

It is an arithmetic number, because the mean of its divisors is an integer number (21717110521).

Almost surely, 2^43434221041 is an apocalyptic number.

It is an amenable number.

43434221041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43434221041 is an equidigital number, since it uses as much as digits as its factorization.

43434221041 is an odious number, because the sum of its binary digits is odd.

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

Adding to 43434221041 its reverse (14012243434), we get a palindrome (57446464475).

The spelling of 43434221041 in words is "forty-three billion, four hundred thirty-four million, two hundred twenty-one thousand, forty-one".