243612746028 has 36 divisors (see below), whose sum is σ = 618924786480. Its totient is φ = 80792042016.

The previous prime is 243612746009. The next prime is 243612746033. The reversal of 243612746028 is 820647216342.

It is a happy number.

243612746028 is a `hidden beast` number, since 2 + 4 + 3 + 612 + 7 + 4 + 6 + 0 + 28 = 666.

243612746028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 17168088 + ... + 17182271.

It is an arithmetic number, because the mean of its divisors is an integer number (17192355180).

Almost surely, 2^243612746028 is an apocalyptic number.

It is an amenable number.

243612746028 is an abundant number, since it is smaller than the sum of its proper divisors (375312040452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243612746028 is a wasteful number, since it uses less digits than its factorization.

243612746028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34350566 (or 34350561 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 243612746028 in words is "two hundred forty-three billion, six hundred twelve million, seven hundred forty-six thousand, twenty-eight".