243982650916 has 27 divisors (see below), whose sum is σ = 428693271643. Its totient is φ = 121500837080.

The previous prime is 243982650887. The next prime is 243982650949. The reversal of 243982650916 is 619056289342.

The square root of 243982650916 is 493946.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 485054721 + ... + 485055223.

Almost surely, 2^243982650916 is an apocalyptic number.

243982650916 is the 493946-th square number.

It is an amenable number.

243982650916 is a deficient number, since it is larger than the sum of its proper divisors (184710620727).

243982650916 is an frugal number, since it uses more digits than its factorization.

243982650916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 243982650916 in words is "two hundred forty-three billion, nine hundred eighty-two million, six hundred fifty thousand, nine hundred sixteen".