243063798513 has 8 divisors (see below), whose sum is σ = 324166775808. Its totient is φ = 162001676784.

The previous prime is 243063798503. The next prime is 243063798529. The reversal of 243063798513 is 315897360342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243063798513 - 2⁹ = 243063798001 is a prime.

It is a super-2 number, since 2×243063798513² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243063798503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10200006 + ... + 10223807.

It is an arithmetic number, because the mean of its divisors is an integer number (40520846976).

It is a 1-persistent number, because it is pandigital, but 2⋅243063798513 = 486127597026 is not.

Almost surely, 2^243063798513 is an apocalyptic number.

It is an amenable number.

243063798513 is a deficient number, since it is larger than the sum of its proper divisors (81102977295).

243063798513 is a wasteful number, since it uses less digits than its factorization.

243063798513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20427783.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 243063798513 in words is "two hundred forty-three billion, sixty-three million, seven hundred ninety-eight thousand, five hundred thirteen".