243793941268 has 12 divisors (see below), whose sum is σ = 433633486132. Its totient is φ = 119898659520.

The previous prime is 243793941233. The next prime is 243793941319. The reversal of 243793941268 is 862149397342.

It can be written as a sum of positive squares in 2 ways, for example, as 65018880144 + 178775061124 = 254988^2 + 422818^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499577505 + ... + 499577992.

Almost surely, 2^243793941268 is an apocalyptic number.

It is an amenable number.

243793941268 is a deficient number, since it is larger than the sum of its proper divisors (189839544864).

243793941268 is a wasteful number, since it uses less digits than its factorization.

243793941268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999155562 (or 999155560 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 58.

The spelling of 243793941268 in words is "two hundred forty-three billion, seven hundred ninety-three million, nine hundred forty-one thousand, two hundred sixty-eight".