243056012636 has 24 divisors (see below), whose sum is σ = 450659437200. Its totient is φ = 114305409792.

The previous prime is 243056012621. The next prime is 243056012663. The reversal of 243056012636 is 636210650342.

It is a happy number.

243056012636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243056012636² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243056012636.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1048430 + ... + 1259093.

It is an arithmetic number, because the mean of its divisors is an integer number (18777476550).

Almost surely, 2^243056012636 is an apocalyptic number.

It is an amenable number.

243056012636 is a deficient number, since it is larger than the sum of its proper divisors (207603424564).

243056012636 is a wasteful number, since it uses less digits than its factorization.

243056012636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309093 (or 2309091 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 243056012636 its reverse (636210650342), we get a palindrome (879266662978).

The spelling of 243056012636 in words is "two hundred forty-three billion, fifty-six million, twelve thousand, six hundred thirty-six".