243973343474 has 48 divisors (see below), whose sum is σ = 440667164160. Its totient is φ = 100904791680.

The previous prime is 243973343441. The next prime is 243973343483. The reversal of 243973343474 is 474343379342.

It is a Curzon number.

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, 978794 + ... + 1202490.

It is an arithmetic number, because the mean of its divisors is an integer number (9180565920).

Almost surely, 2^243973343474 is an apocalyptic number.

243973343474 is a deficient number, since it is larger than the sum of its proper divisors (196693820686).

243973343474 is a wasteful number, since it uses less digits than its factorization.

243973343474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224103 (or 224096 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 53.

The spelling of 243973343474 in words is "two hundred forty-three billion, nine hundred seventy-three million, three hundred forty-three thousand, four hundred seventy-four".