42563644333 has 16 divisors (see below), whose sum is σ = 51905825920. Its totient is φ = 34089486336.

The previous prime is 42563644303. The next prime is 42563644349. The reversal of 42563644333 is 33344636524.

It is a cyclic number.

It is not a de Polignac number, because 42563644333 - 2³³ = 33973709741 is a prime.

It is a super-3 number, since 3×42563644333³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42563644333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42563644303) 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 in 15 ways as a sum of consecutive naturals, for example, 2182260 + ... + 2201677.

It is an arithmetic number, because the mean of its divisors is an integer number (3244114120).

Almost surely, 2^42563644333 is an apocalyptic number.

It is an amenable number.

42563644333 is a deficient number, since it is larger than the sum of its proper divisors (9342181587).

42563644333 is a wasteful number, since it uses less digits than its factorization.

42563644333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384036.

The product of its digits is 1866240, while the sum is 43.

The spelling of 42563644333 in words is "forty-two billion, five hundred sixty-three million, six hundred forty-four thousand, three hundred thirty-three".