243355073760404 has 6 divisors (see below), whose sum is σ = 425871379080714. Its totient is φ = 121677536880200.

The previous prime is 243355073760391. The next prime is 243355073760427. The reversal of 243355073760404 is 404067370553342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 204086653092100 + 39268420668304 = 14285890^2 + 6266452^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30419384220047 + ... + 30419384220054.

It is an arithmetic number, because the mean of its divisors is an integer number (70978563180119).

Almost surely, 2^{243355073760404} is an apocalyptic number.

It is an amenable number.

243355073760404 is a deficient number, since it is larger than the sum of its proper divisors (182516305320310).

243355073760404 is a wasteful number, since it uses less digits than its factorization.

243355073760404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60838768440105 (or 60838768440103 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 53.

The spelling of 243355073760404 in words is "two hundred forty-three trillion, three hundred fifty-five billion, seventy-three million, seven hundred sixty thousand, four hundred four".