243349870252 has 24 divisors (see below), whose sum is σ = 450200041200. Its totient is φ = 114776257536.

The previous prime is 243349870241. The next prime is 243349870279. The reversal of 243349870252 is 252078943342.

It is a junction number, because it is equal to n+sod(n) for n = 243349870196 and 243349870205.

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 7 ways as a sum of consecutive naturals, for example, 6853477 + ... + 6888892.

It is an arithmetic number, because the mean of its divisors is an integer number (18758335050).

Almost surely, 2^243349870252 is an apocalyptic number.

It is an amenable number.

243349870252 is a deficient number, since it is larger than the sum of its proper divisors (206850170948).

243349870252 is a wasteful number, since it uses less digits than its factorization.

243349870252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742625 (or 13742623 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 243349870252 in words is "two hundred forty-three billion, three hundred forty-nine million, eight hundred seventy thousand, two hundred fifty-two".