243343713640536 has 48 divisors (see below), whose sum is σ = 687710495075760. Its totient is φ = 77587850725440.

The previous prime is 243343713640487. The next prime is 243343713640549. The reversal of 243343713640536 is 635046317343342.

243343713640536 is a `hidden beast` number, since 2 + 4 + 3 + 3 + 4 + 3 + 71 + 36 + 4 + 0 + 536 = 666.

243343713640536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73473341835 + ... + 73473345146.

It is an arithmetic number, because the mean of its divisors is an integer number (14327301980745).

Almost surely, 2^{243343713640536} is an apocalyptic number.

It is an amenable number.

243343713640536 is an abundant number, since it is smaller than the sum of its proper divisors (444366781435224).

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

243343713640536 is a wasteful number, since it uses less digits than its factorization.

243343713640536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146946687016 (or 146946687009 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 54.

The spelling of 243343713640536 in words is "two hundred forty-three trillion, three hundred forty-three billion, seven hundred thirteen million, six hundred forty thousand, five hundred thirty-six".