243733313156 has 12 divisors (see below), whose sum is σ = 445078224192. Its totient is φ = 116568106248.

The previous prime is 243733313149. The next prime is 243733313183. The reversal of 243733313156 is 651313337342.

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, 1324637480 + ... + 1324637663.

It is an arithmetic number, because the mean of its divisors is an integer number (37089852016).

Almost surely, 2^243733313156 is an apocalyptic number.

It is an amenable number.

243733313156 is a deficient number, since it is larger than the sum of its proper divisors (201344911036).

243733313156 is a wasteful number, since it uses less digits than its factorization.

243733313156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649275170 (or 2649275168 counting only the distinct ones).

The product of its digits is 408240, while the sum is 41.

The spelling of 243733313156 in words is "two hundred forty-three billion, seven hundred thirty-three million, three hundred thirteen thousand, one hundred fifty-six".