243111414413 has 24 divisors (see below), whose sum is σ = 290966329080. Its totient is φ = 202410593280.

The previous prime is 243111414397. The next prime is 243111414443. The reversal of 243111414413 is 314414111342.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 735385924 + 242376028489 = 27118^2 + 492317^2 .

It is not a de Polignac number, because 243111414413 - 2⁴ = 243111414397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243111414443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195845 + ... + 724277.

It is an arithmetic number, because the mean of its divisors is an integer number (12123597045).

Almost surely, 2^243111414413 is an apocalyptic number.

It is an amenable number.

243111414413 is a deficient number, since it is larger than the sum of its proper divisors (47854914667).

243111414413 is a wasteful number, since it uses less digits than its factorization.

243111414413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528717 (or 528710 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

Adding to 243111414413 its reverse (314414111342), we get a palindrome (557525525755).

The spelling of 243111414413 in words is "two hundred forty-three billion, one hundred eleven million, four hundred fourteen thousand, four hundred thirteen".