243391798206 has 48 divisors (see below), whose sum is σ = 545946882624. Its totient is φ = 78316664832.

The previous prime is 243391798171. The next prime is 243391798207. The reversal of 243391798206 is 602897193342.

243391798206 is a `hidden beast` number, since 2 + 4 + 339 + 17 + 98 + 206 = 666.

243391798206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243391798207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1908771 + ... + 2032286.

It is an arithmetic number, because the mean of its divisors is an integer number (11373893388).

Almost surely, 2^243391798206 is an apocalyptic number.

243391798206 is an abundant number, since it is smaller than the sum of its proper divisors (302555084418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243391798206 is a wasteful number, since it uses less digits than its factorization.

243391798206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941185 (or 3941182 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 243391798206 in words is "two hundred forty-three billion, three hundred ninety-one million, seven hundred ninety-eight thousand, two hundred six".