243244968959 has 8 divisors (see below), whose sum is σ = 244664561232. Its totient is φ = 241825532800.

The previous prime is 243244968947. The next prime is 243244968983. The reversal of 243244968959 is 959869442342.

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

It is a cyclic number.

It is not a de Polignac number, because 243244968959 - 2²⁴ = 243228191743 is a prime.

It is a super-2 number, since 2×243244968959² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243244968895 and 243244968904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243244968859) by changing a digit.

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, 4894184 + ... + 4943634.

It is an arithmetic number, because the mean of its divisors is an integer number (30583070154).

Almost surely, 2^243244968959 is an apocalyptic number.

243244968959 is a deficient number, since it is larger than the sum of its proper divisors (1419592273).

243244968959 is a wasteful number, since it uses less digits than its factorization.

243244968959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78057.

The product of its digits is 134369280, while the sum is 65.

The spelling of 243244968959 in words is "two hundred forty-three billion, two hundred forty-four million, nine hundred sixty-eight thousand, nine hundred fifty-nine".