42532002209 has 2 divisors, whose sum is σ = 42532002210. Its totient is φ = 42532002208.

The previous prime is 42532002203. The next prime is 42532002223. The reversal of 42532002209 is 90220023524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42293979025 + 238023184 = 205655^2 + 15428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42532002209 is a prime.

It is not a weakly prime, because it can be changed into another prime (42532002203) 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, 21266001104 + 21266001105.

It is an arithmetic number, because the mean of its divisors is an integer number (21266001105).

Almost surely, 2^42532002209 is an apocalyptic number.

It is an amenable number.

42532002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

42532002209 is an equidigital number, since it uses as much as digits as its factorization.

42532002209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 42532002209 in words is "forty-two billion, five hundred thirty-two million, two thousand, two hundred nine".