243733003645 has 16 divisors (see below), whose sum is σ = 305210200320. Its totient is φ = 186500121984.

The previous prime is 243733003639. The next prime is 243733003711. The reversal of 243733003645 is 546300337342.

It is a cyclic number.

It is not a de Polignac number, because 243733003645 - 2⁹ = 243733003133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243733003598 and 243733003607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3688537 + ... + 3754033.

It is an arithmetic number, because the mean of its divisors is an integer number (19075637520).

Almost surely, 2^243733003645 is an apocalyptic number.

It is an amenable number.

243733003645 is a deficient number, since it is larger than the sum of its proper divisors (61477196675).

243733003645 is a wasteful number, since it uses less digits than its factorization.

243733003645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97884.

The product of its (nonzero) digits is 544320, while the sum is 40.

The spelling of 243733003645 in words is "two hundred forty-three billion, seven hundred thirty-three million, three thousand, six hundred forty-five".