243763222713 has 4 divisors (see below), whose sum is σ = 325017630288. Its totient is φ = 162508815140.

The previous prime is 243763222711. The next prime is 243763222721. The reversal of 243763222713 is 317222367342.

243763222713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243763222713 - 2¹ = 243763222711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243763222711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40627203783 + ... + 40627203788.

It is an arithmetic number, because the mean of its divisors is an integer number (81254407572).

Almost surely, 2^243763222713 is an apocalyptic number.

It is an amenable number.

243763222713 is a deficient number, since it is larger than the sum of its proper divisors (81254407575).

243763222713 is an equidigital number, since it uses as much as digits as its factorization.

243763222713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81254407574.

The product of its digits is 508032, while the sum is 42.

The spelling of 243763222713 in words is "two hundred forty-three billion, seven hundred sixty-three million, two hundred twenty-two thousand, seven hundred thirteen".