243441865411 has 2 divisors, whose sum is σ = 243441865412. Its totient is φ = 243441865410.

The previous prime is 243441865363. The next prime is 243441865423. The reversal of 243441865411 is 114568144342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243441865411 - 2¹⁵ = 243441832643 is a prime.

It is not a weakly prime, because it can be changed into another prime (243441845411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121720932705 + 121720932706.

It is an arithmetic number, because the mean of its divisors is an integer number (121720932706).

Almost surely, 2^243441865411 is an apocalyptic number.

243441865411 is a deficient number, since it is larger than the sum of its proper divisors (1).

243441865411 is an equidigital number, since it uses as much as digits as its factorization.

243441865411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 368640, while the sum is 43.

The spelling of 243441865411 in words is "two hundred forty-three billion, four hundred forty-one million, eight hundred sixty-five thousand, four hundred eleven".