243026435662361 has 32 divisors (see below), whose sum is σ = 264749651362560. Its totient is φ = 221744046956544.

The previous prime is 243026435662331. The next prime is 243026435662403. The reversal of 243026435662361 is 163266534620342.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243026435662361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243026435662301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12924866186 + ... + 12924884988.

It is an arithmetic number, because the mean of its divisors is an integer number (8273426605080).

Almost surely, 2^{243026435662361} is an apocalyptic number.

It is an amenable number.

243026435662361 is a deficient number, since it is larger than the sum of its proper divisors (21723215700199).

243026435662361 is a wasteful number, since it uses less digits than its factorization.

243026435662361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225.

The product of its (nonzero) digits is 22394880, while the sum is 53.

The spelling of 243026435662361 in words is "two hundred forty-three trillion, twenty-six billion, four hundred thirty-five million, six hundred sixty-two thousand, three hundred sixty-one".