242785769385 has 8 divisors (see below), whose sum is σ = 388457231040. Its totient is φ = 129485743664.

The previous prime is 242785769309. The next prime is 242785769389. The reversal of 242785769385 is 583967587242.

242785769385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242785769385 - 2²⁰ = 242784720809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242785769389) 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 7 ways as a sum of consecutive naturals, for example, 8092858965 + ... + 8092858994.

It is an arithmetic number, because the mean of its divisors is an integer number (48557153880).

Almost surely, 2^242785769385 is an apocalyptic number.

It is an amenable number.

242785769385 is a deficient number, since it is larger than the sum of its proper divisors (145671461655).

242785769385 is a wasteful number, since it uses less digits than its factorization.

242785769385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185717967.

The product of its digits is 203212800, while the sum is 66.

The spelling of 242785769385 in words is "two hundred forty-two billion, seven hundred eighty-five million, seven hundred sixty-nine thousand, three hundred eighty-five".