243506282605342 has 4 divisors (see below), whose sum is σ = 365259423908016. Its totient is φ = 121753141302670.

The previous prime is 243506282605321. The next prime is 243506282605363.

243506282605342 is nontrivially palindromic in base 10.

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

It is an interprime number because it is at equal distance from previous prime (243506282605321) and next prime (243506282605363).

It is a self number, because there is not a number n which added to its sum of digits gives 243506282605342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60876570651334 + ... + 60876570651337.

It is an arithmetic number, because the mean of its divisors is an integer number (91314855977004).

Almost surely, 2^{243506282605342} is an apocalyptic number.

243506282605342 is a deficient number, since it is larger than the sum of its proper divisors (121753141302674).

243506282605342 is a wasteful number, since it uses less digits than its factorization.

243506282605342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121753141302673.

The product of its (nonzero) digits is 16588800, while the sum is 52.

The spelling of 243506282605342 in words is "two hundred forty-three trillion, five hundred six billion, two hundred eighty-two million, six hundred five thousand, three hundred forty-two".