242721189467199 has 24 divisors (see below), whose sum is σ = 350689910643072. Its totient is φ = 161771374092240.

The previous prime is 242721189467191. The next prime is 242721189467203. The reversal of 242721189467199 is 991764981127242.

242721189467199 is a `hidden beast` number, since 2 + 4 + 2 + 72 + 1 + 1 + 8 + 9 + 467 + 1 + 99 = 666.

It is not a de Polignac number, because 242721189467199 - 2³ = 242721189467191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242721189467191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 982668784 + ... + 982915754.

It is an arithmetic number, because the mean of its divisors is an integer number (14612079610128).

Almost surely, 2^{242721189467199} is an apocalyptic number.

242721189467199 is a deficient number, since it is larger than the sum of its proper divisors (107968721175873).

242721189467199 is a wasteful number, since it uses less digits than its factorization.

242721189467199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275387 (or 275384 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 72.

The spelling of 242721189467199 in words is "two hundred forty-two trillion, seven hundred twenty-one billion, one hundred eighty-nine million, four hundred sixty-seven thousand, one hundred ninety-nine".