243765831705196 has 6 divisors (see below), whose sum is σ = 426590205484100. Its totient is φ = 121882915852596.

The previous prime is 243765831705049. The next prime is 243765831705199. The reversal of 243765831705196 is 691507138567342.

It is not an unprimeable number, because it can be changed into a prime (243765831705199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30470728963146 + ... + 30470728963153.

It is a 2-persistent number, because it is pandigital, and so is 2⋅243765831705196 = 487531663410392, but 3⋅243765831705196 = 731297495115588 is not.

Almost surely, 2^{243765831705196} is an apocalyptic number.

It is an amenable number.

243765831705196 is a deficient number, since it is larger than the sum of its proper divisors (182824373778904).

243765831705196 is a wasteful number, since it uses less digits than its factorization.

243765831705196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60941457926303 (or 60941457926301 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 67.

The spelling of 243765831705196 in words is "two hundred forty-three trillion, seven hundred sixty-five billion, eight hundred thirty-one million, seven hundred five thousand, one hundred ninety-six".