243663065232 has 40 divisors (see below), whose sum is σ = 629793235296. Its totient is φ = 81178400256.

The previous prime is 243663065197. The next prime is 243663065299. The reversal of 243663065232 is 232560366342.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239433 + ... + 1422504.

Almost surely, 2^243663065232 is an apocalyptic number.

It is an amenable number.

243663065232 is an abundant number, since it is smaller than the sum of its proper divisors (386130170064).

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

243663065232 is a wasteful number, since it uses less digits than its factorization.

243663065232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663855 (or 2663849 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 243663065232 in words is "two hundred forty-three billion, six hundred sixty-three million, sixty-five thousand, two hundred thirty-two".