243727454634 has 16 divisors (see below), whose sum is σ = 487460331072. Its totient is φ = 81241581248.

The previous prime is 243727454627. The next prime is 243727454639. The reversal of 243727454634 is 436454727342.

It is not an unprimeable number, because it can be changed into a prime (243727454639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579202 + ... + 907154.

It is an arithmetic number, because the mean of its divisors is an integer number (30466270692).

Almost surely, 2^243727454634 is an apocalyptic number.

243727454634 is an abundant number, since it is smaller than the sum of its proper divisors (243732876438).

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

243727454634 is a wasteful number, since it uses less digits than its factorization.

243727454634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451821.

The product of its digits is 13547520, while the sum is 51.

The spelling of 243727454634 in words is "two hundred forty-three billion, seven hundred twenty-seven million, four hundred fifty-four thousand, six hundred thirty-four".