243795360163 has 4 divisors (see below), whose sum is σ = 258136263720. Its totient is φ = 229454456608.

The previous prime is 243795360131. The next prime is 243795360223. The reversal of 243795360163 is 361063597342.

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 243795360163 - 2⁵ = 243795360131 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243795310163) 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, 7170451753 + ... + 7170451786.

It is an arithmetic number, because the mean of its divisors is an integer number (64534065930).

Almost surely, 2^243795360163 is an apocalyptic number.

243795360163 is a deficient number, since it is larger than the sum of its proper divisors (14340903557).

243795360163 is a wasteful number, since it uses less digits than its factorization.

243795360163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14340903556.

The product of its (nonzero) digits is 2449440, while the sum is 49.

The spelling of 243795360163 in words is "two hundred forty-three billion, seven hundred ninety-five million, three hundred sixty thousand, one hundred sixty-three".