242681581263 has 24 divisors (see below), whose sum is σ = 355698604800. Its totient is φ = 147066084880.

The previous prime is 242681581213. The next prime is 242681581297. The reversal of 242681581263 is 362185186242.

242681581263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242681581263 - 2⁶ = 242681581199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242681581213) 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 23 ways as a sum of consecutive naturals, for example, 5006698 + ... + 5054936.

It is an arithmetic number, because the mean of its divisors is an integer number (14820775200).

Almost surely, 2^242681581263 is an apocalyptic number.

242681581263 is a deficient number, since it is larger than the sum of its proper divisors (113017023537).

242681581263 is a wasteful number, since it uses less digits than its factorization.

242681581263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62123 (or 62112 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The spelling of 242681581263 in words is "two hundred forty-two billion, six hundred eighty-one million, five hundred eighty-one thousand, two hundred sixty-three".