243374217514064 has 40 divisors (see below), whose sum is σ = 580353903306240. Its totient is φ = 96279910224768.

The previous prime is 243374217514007. The next prime is 243374217514079. The reversal of 243374217514064 is 460415712473342.

It is a junction number, because it is equal to n+sod(n) for n = 243374217513997 and 243374217514015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83576309504 + ... + 83576312415.

It is an arithmetic number, because the mean of its divisors is an integer number (14508847582656).

Almost surely, 2^{243374217514064} is an apocalyptic number.

It is an amenable number.

243374217514064 is an abundant number, since it is smaller than the sum of its proper divisors (336979685792176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243374217514064 is a wasteful number, since it uses less digits than its factorization.

243374217514064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167152621947 (or 167152621941 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 53.

The spelling of 243374217514064 in words is "two hundred forty-three trillion, three hundred seventy-four billion, two hundred seventeen million, five hundred fourteen thousand, sixty-four".