243310938199 has 6 divisors (see below), whose sum is σ = 283035173064. Its totient is φ = 208552232700.

The previous prime is 243310938197. The next prime is 243310938203. The reversal of 243310938199 is 991839013342.

It is a happy number.

243310938199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243310938199 - 2¹ = 243310938197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243310938197) 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 5 ways as a sum of consecutive naturals, for example, 2482764627 + ... + 2482764724.

It is an arithmetic number, because the mean of its divisors is an integer number (47172528844).

Almost surely, 2^243310938199 is an apocalyptic number.

243310938199 is a deficient number, since it is larger than the sum of its proper divisors (39724234865).

243310938199 is an equidigital number, since it uses as much as digits as its factorization.

243310938199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965529365 (or 4965529358 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 243310938199 in words is "two hundred forty-three billion, three hundred ten million, nine hundred thirty-eight thousand, one hundred ninety-nine".