42530244203533 has 2 divisors, whose sum is σ = 42530244203534. Its totient is φ = 42530244203532.

The previous prime is 42530244203519. The next prime is 42530244203593. The reversal of 42530244203533 is 33530244203524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42341608603849 + 188635599684 = 6507043^2 + 434322^2 .

It is a cyclic number.

It is not a de Polignac number, because 42530244203533 - 2⁹ = 42530244203021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42530244203593) 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, 21265122101766 + 21265122101767.

It is an arithmetic number, because the mean of its divisors is an integer number (21265122101767).

Almost surely, 2^{42530244203533} is an apocalyptic number.

It is an amenable number.

42530244203533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42530244203533 is an equidigital number, since it uses as much as digits as its factorization.

42530244203533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 40.

Subtracting from 42530244203533 its reverse (33530244203524), we obtain a palindrome (9000000000009).

The spelling of 42530244203533 in words is "forty-two trillion, five hundred thirty billion, two hundred forty-four million, two hundred three thousand, five hundred thirty-three".