243339622688 has 162 divisors, whose sum is σ = 518025867723. Its totient is φ = 112512798720.

The previous prime is 243339622661. The next prime is 243339622693. The reversal of 243339622688 is 886226933342.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 115184214544 + 128155408144 = 339388^2 + 357988^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=348812.

It is a Duffinian number.

Its product of digits (17915904) is a multiple of the sum of its prime factors (324).

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 2508655856 + ... + 2508655952.

Almost surely, 2^243339622688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243339622688

243339622688 is an abundant number, since it is smaller than the sum of its proper divisors (274686245035).

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

243339622688 is an frugal number, since it uses more digits than its factorization.

243339622688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 159 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 56.

The spelling of 243339622688 in words is "two hundred forty-three billion, three hundred thirty-nine million, six hundred twenty-two thousand, six hundred eighty-eight".