42522005509 has 2 divisors, whose sum is σ = 42522005510. Its totient is φ = 42522005508.

The previous prime is 42522005431. The next prime is 42522005521. The reversal of 42522005509 is 90550022524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42015980484 + 506025025 = 204978^2 + 22495^2 .

It is a cyclic number.

It is not a de Polignac number, because 42522005509 - 2¹³ = 42521997317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42522005549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21261002754 + 21261002755.

It is an arithmetic number, because the mean of its divisors is an integer number (21261002755).

Almost surely, 2^42522005509 is an apocalyptic number.

It is an amenable number.

42522005509 is a deficient number, since it is larger than the sum of its proper divisors (1).

42522005509 is an equidigital number, since it uses as much as digits as its factorization.

42522005509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 42522005509 in words is "forty-two billion, five hundred twenty-two million, five thousand, five hundred nine".