243141168563 has 2 divisors, whose sum is σ = 243141168564. Its totient is φ = 243141168562.

The previous prime is 243141168511. The next prime is 243141168581. The reversal of 243141168563 is 365861141342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243141168563 - 2⁶ = 243141168499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (243141168863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121570584281 + 121570584282.

It is an arithmetic number, because the mean of its divisors is an integer number (121570584282).

Almost surely, 2^243141168563 is an apocalyptic number.

243141168563 is a deficient number, since it is larger than the sum of its proper divisors (1).

243141168563 is an equidigital number, since it uses as much as digits as its factorization.

243141168563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 44.

The spelling of 243141168563 in words is "two hundred forty-three billion, one hundred forty-one million, one hundred sixty-eight thousand, five hundred sixty-three".