243642262246342 has 8 divisors (see below), whose sum is σ = 365463959858496. Its totient is φ = 121820942293512.

The previous prime is 243642262246319. The next prime is 243642262246379.

243642262246342 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 243642262246342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92796438 + ... + 95385865.

It is an arithmetic number, because the mean of its divisors is an integer number (45682994982312).

Almost surely, 2^{243642262246342} is an apocalyptic number.

243642262246342 is a deficient number, since it is larger than the sum of its proper divisors (121821697612154).

243642262246342 is a wasteful number, since it uses less digits than its factorization.

243642262246342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188829662.

The product of its digits is 31850496, while the sum is 52.

The spelling of 243642262246342 in words is "two hundred forty-three trillion, six hundred forty-two billion, two hundred sixty-two million, two hundred forty-six thousand, three hundred forty-two".