43240441024213 has 2 divisors, whose sum is σ = 43240441024214. Its totient is φ = 43240441024212.

The previous prime is 43240441024199. The next prime is 43240441024219. The reversal of 43240441024213 is 31242014404234.

43240441024213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30910953496644 + 12329487527569 = 5559762^2 + 3511337^2 .

It is a cyclic number.

It is not a de Polignac number, because 43240441024213 - 2²¹ = 43240438927061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240441024219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620220512106 + 21620220512107.

It is an arithmetic number, because the mean of its divisors is an integer number (21620220512107).

Almost surely, 2^{43240441024213} is an apocalyptic number.

It is an amenable number.

43240441024213 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240441024213 is an equidigital number, since it uses as much as digits as its factorization.

43240441024213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 43240441024213 its reverse (31242014404234), we get a palindrome (74482455428447).

The spelling of 43240441024213 in words is "forty-three trillion, two hundred forty billion, four hundred forty-one million, twenty-four thousand, two hundred thirteen".