243242044119999 has 32 divisors (see below), whose sum is σ = 379548090080000. Its totient is φ = 153536131880352.

The previous prime is 243242044119979. The next prime is 243242044120001. The reversal of 243242044119999 is 999911440242342.

243242044119999 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 4 + 204 + 411 + 9 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 243242044119999 - 2¹⁹ = 243242043595711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243242044119979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138668152 + ... + 140411325.

It is an arithmetic number, because the mean of its divisors is an integer number (11860877815000).

Almost surely, 2^{243242044119999} is an apocalyptic number.

243242044119999 is a deficient number, since it is larger than the sum of its proper divisors (136306045960001).

243242044119999 is a wasteful number, since it uses less digits than its factorization.

243242044119999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279081204 (or 279081198 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 243242044119999 in words is "two hundred forty-three trillion, two hundred forty-two billion, forty-four million, one hundred nineteen thousand, nine hundred ninety-nine".