242142244361 has 4 divisors (see below), whose sum is σ = 256385905812. Its totient is φ = 227898582912.

The previous prime is 242142244313. The next prime is 242142244417. The reversal of 242142244361 is 163442241242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149628938761 + 92513305600 = 386819^2 + 304160^2 .

It is a cyclic number.

It is not a de Polignac number, because 242142244361 - 2¹⁰ = 242142243337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242142244301) 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 3 ways as a sum of consecutive naturals, for example, 7121830700 + ... + 7121830733.

It is an arithmetic number, because the mean of its divisors is an integer number (64096476453).

Almost surely, 2^242142244361 is an apocalyptic number.

It is an amenable number.

242142244361 is a deficient number, since it is larger than the sum of its proper divisors (14243661451).

242142244361 is a wasteful number, since it uses less digits than its factorization.

242142244361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243661450.

The product of its digits is 73728, while the sum is 35.

The spelling of 242142244361 in words is "two hundred forty-two billion, one hundred forty-two million, two hundred forty-four thousand, three hundred sixty-one".