41543243641243 has 2 divisors, whose sum is σ = 41543243641244. Its totient is φ = 41543243641242.

The previous prime is 41543243641181. The next prime is 41543243641261. The reversal of 41543243641243 is 34214634234514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41543243641243 - 2³⁷ = 41405804687771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41543243641193 and 41543243641202.

It is not a weakly prime, because it can be changed into another prime (41543243641283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20771621820621 + 20771621820622.

It is an arithmetic number, because the mean of its divisors is an integer number (20771621820622).

Almost surely, 2^{41543243641243} is an apocalyptic number.

41543243641243 is a deficient number, since it is larger than the sum of its proper divisors (1).

41543243641243 is an equidigital number, since it uses as much as digits as its factorization.

41543243641243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 46.

Adding to 41543243641243 its reverse (34214634234514), we get a palindrome (75757877875757).

The spelling of 41543243641243 in words is "forty-one trillion, five hundred forty-three billion, two hundred forty-three million, six hundred forty-one thousand, two hundred forty-three".