42585003533 has 2 divisors, whose sum is σ = 42585003534. Its totient is φ = 42585003532.

The previous prime is 42585003529. The next prime is 42585003569. The reversal of 42585003533 is 33530058524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33449849449 + 9135154084 = 182893^2 + 95578^2 .

It is a cyclic number.

It is not a de Polignac number, because 42585003533 - 2² = 42585003529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42585003733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21292501766 + 21292501767.

It is an arithmetic number, because the mean of its divisors is an integer number (21292501767).

Almost surely, 2^42585003533 is an apocalyptic number.

It is an amenable number.

42585003533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42585003533 is an equidigital number, since it uses as much as digits as its factorization.

42585003533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 42585003533 in words is "forty-two billion, five hundred eighty-five million, three thousand, five hundred thirty-three".