243734522472 has 96 divisors (see below), whose sum is σ = 787577572800. Its totient is φ = 69638431968.

The previous prime is 243734522453. The next prime is 243734522489. The reversal of 243734522472 is 274225437342.

243734522472 is a `hidden beast` number, since 2 + 43 + 73 + 452 + 24 + 72 = 666.

243734522472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11503708 + ... + 11524875.

It is an arithmetic number, because the mean of its divisors is an integer number (8203933050).

Almost surely, 2^243734522472 is an apocalyptic number.

It is an amenable number.

243734522472 is an abundant number, since it is smaller than the sum of its proper divisors (543843050328).

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

243734522472 is a wasteful number, since it uses less digits than its factorization.

243734522472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23028612 (or 23028595 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 45.

The spelling of 243734522472 in words is "two hundred forty-three billion, seven hundred thirty-four million, five hundred twenty-two thousand, four hundred seventy-two".