243542206804 has 24 divisors (see below), whose sum is σ = 459033287328. Its totient is φ = 112391875680.

The previous prime is 243542206769. The next prime is 243542206841. The reversal of 243542206804 is 408602245342.

243542206804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×243542206804³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 237399 + ... + 737185.

It is an arithmetic number, because the mean of its divisors is an integer number (19126386972).

Almost surely, 2^243542206804 is an apocalyptic number.

It is an amenable number.

243542206804 is a deficient number, since it is larger than the sum of its proper divisors (215491080524).

243542206804 is a wasteful number, since it uses less digits than its factorization.

243542206804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509175 (or 509173 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 243542206804 in words is "two hundred forty-three billion, five hundred forty-two million, two hundred six thousand, eight hundred four".