243775536241 has 8 divisors (see below), whose sum is σ = 246529332000. Its totient is φ = 241022068320.

The previous prime is 243775536223. The next prime is 243775536283. The reversal of 243775536241 is 142635577342.

243775536241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243775536241 - 2⁵ = 243775536209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243775336241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609546 + ... + 1754476.

It is an arithmetic number, because the mean of its divisors is an integer number (30816166500).

Almost surely, 2^243775536241 is an apocalyptic number.

It is an amenable number.

243775536241 is a deficient number, since it is larger than the sum of its proper divisors (2753795759).

243775536241 is a wasteful number, since it uses less digits than its factorization.

243775536241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163919.

The product of its digits is 4233600, while the sum is 49.

The spelling of 243775536241 in words is "two hundred forty-three billion, seven hundred seventy-five million, five hundred thirty-six thousand, two hundred forty-one".