243241133299 has 4 divisors (see below), whose sum is σ = 243257947360. Its totient is φ = 243224319240.

The previous prime is 243241133297. The next prime is 243241133341. The reversal of 243241133299 is 992331142342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243241133299 - 2¹ = 243241133297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243241133297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8385312 + ... + 8414269.

It is an arithmetic number, because the mean of its divisors is an integer number (60814486840).

Almost surely, 2^243241133299 is an apocalyptic number.

243241133299 is a deficient number, since it is larger than the sum of its proper divisors (16814061).

243241133299 is a wasteful number, since it uses less digits than its factorization.

243241133299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16814060.

The product of its digits is 279936, while the sum is 43.

The spelling of 243241133299 in words is "two hundred forty-three billion, two hundred forty-one million, one hundred thirty-three thousand, two hundred ninety-nine".