243747724804 has 6 divisors (see below), whose sum is σ = 426558518414. Its totient is φ = 121873862400.

The previous prime is 243747724789. The next prime is 243747724813. The reversal of 243747724804 is 408427747342.

243747724804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 150972656704 + 92775068100 = 388552^2 + 304590^2 .

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 as a sum of consecutive naturals, namely, 30468465597 + ... + 30468465604.

Almost surely, 2^243747724804 is an apocalyptic number.

It is an amenable number.

243747724804 is a deficient number, since it is larger than the sum of its proper divisors (182810793610).

243747724804 is a wasteful number, since it uses less digits than its factorization.

243747724804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60936931205 (or 60936931203 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 52.

The spelling of 243747724804 in words is "two hundred forty-three billion, seven hundred forty-seven million, seven hundred twenty-four thousand, eight hundred four".