243004504001 has 16 divisors (see below), whose sum is σ = 279602856960. Its totient is φ = 206877445200.

The previous prime is 243004503953. The next prime is 243004504007. The reversal of 243004504001 is 100405400342.

It is a cyclic number.

It is not a de Polignac number, because 243004504001 - 2²⁶ = 242937395137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243004504007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8597270 + ... + 8625488.

It is an arithmetic number, because the mean of its divisors is an integer number (17475178560).

Almost surely, 2^243004504001 is an apocalyptic number.

It is an amenable number.

243004504001 is a deficient number, since it is larger than the sum of its proper divisors (36598352959).

243004504001 is a wasteful number, since it uses less digits than its factorization.

243004504001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36524.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 243004504001 its reverse (100405400342), we get a palindrome (343409904343).

The spelling of 243004504001 in words is "two hundred forty-three billion, four million, five hundred four thousand, one".