9843643289242 has 8 divisors (see below), whose sum is σ = 16874817067296. Its totient is φ = 4218704266812.

The previous prime is 9843643289167. The next prime is 9843643289279. The reversal of 9843643289242 is 2429823463489.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351558688888 + ... + 351558688915.

It is an arithmetic number, because the mean of its divisors is an integer number (2109352133412).

Almost surely, 2^{9843643289242} is an apocalyptic number.

9843643289242 is a deficient number, since it is larger than the sum of its proper divisors (7031173778054).

9843643289242 is a wasteful number, since it uses less digits than its factorization.

9843643289242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703117377812.

The product of its digits is 143327232, while the sum is 64.

The spelling of 9843643289242 in words is "nine trillion, eight hundred forty-three billion, six hundred forty-three million, two hundred eighty-nine thousand, two hundred forty-two".