243244968946 has 8 divisors (see below), whose sum is σ = 416991375360. Its totient is φ = 104247843828.

The previous prime is 243244968917. The next prime is 243244968947. The reversal of 243244968946 is 649869442342.

It is a happy number.

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

It is a super-2 number, since 2×243244968946² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243244968947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8687320306 + ... + 8687320333.

It is an arithmetic number, because the mean of its divisors is an integer number (52123921920).

Almost surely, 2^243244968946 is an apocalyptic number.

243244968946 is a deficient number, since it is larger than the sum of its proper divisors (173746406414).

243244968946 is a wasteful number, since it uses less digits than its factorization.

243244968946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17374640648.

The product of its digits is 71663616, while the sum is 61.

The spelling of 243244968946 in words is "two hundred forty-three billion, two hundred forty-four million, nine hundred sixty-eight thousand, nine hundred forty-six".