243899113822752 has 192 divisors, whose sum is σ = 680931602507520. Its totient is φ = 76174855471104.

The previous prime is 243899113822723. The next prime is 243899113822787. The reversal of 243899113822752 is 257228311998342.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2155614693 + ... + 2155727835.

It is an arithmetic number, because the mean of its divisors is an integer number (3546518763060).

Almost surely, 2^{243899113822752} 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 243899113822752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340465801253760).

243899113822752 is an abundant number, since it is smaller than the sum of its proper divisors (437032488684768).

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

243899113822752 is a wasteful number, since it uses less digits than its factorization.

243899113822752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119075 (or 119067 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 66.

The spelling of 243899113822752 in words is "two hundred forty-three trillion, eight hundred ninety-nine billion, one hundred thirteen million, eight hundred twenty-two thousand, seven hundred fifty-two".