242987855233 has 16 divisors (see below), whose sum is σ = 257966142336. Its totient is φ = 228086472960.

The previous prime is 242987855167. The next prime is 242987855237. The reversal of 242987855233 is 332558789242.

It is a cyclic number.

It is not a de Polignac number, because 242987855233 - 2²⁵ = 242954300801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242987855237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10274260 + ... + 10297882.

It is an arithmetic number, because the mean of its divisors is an integer number (16122883896).

Almost surely, 2^242987855233 is an apocalyptic number.

It is an amenable number.

242987855233 is a deficient number, since it is larger than the sum of its proper divisors (14978287103).

242987855233 is a wasteful number, since it uses less digits than its factorization.

242987855233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25224.

The product of its digits is 29030400, while the sum is 58.

The spelling of 242987855233 in words is "two hundred forty-two billion, nine hundred eighty-seven million, eight hundred fifty-five thousand, two hundred thirty-three".