243411140442021 has 8 divisors (see below), whose sum is σ = 335739504058080. Its totient is φ = 156678435226992.

The previous prime is 243411140442007. The next prime is 243411140442097. The reversal of 243411140442021 is 120244041114342.

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

It is not a de Polignac number, because 243411140442021 - 2³⁰ = 243410066700197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243411140442121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398914600155 + ... + 1398914600328.

It is an arithmetic number, because the mean of its divisors is an integer number (41967438007260).

Almost surely, 2^{243411140442021} is an apocalyptic number.

It is an amenable number.

243411140442021 is a deficient number, since it is larger than the sum of its proper divisors (92328363616059).

243411140442021 is a wasteful number, since it uses less digits than its factorization.

243411140442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797829200515.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 243411140442021 its reverse (120244041114342), we get a palindrome (363655181556363).

The spelling of 243411140442021 in words is "two hundred forty-three trillion, four hundred eleven billion, one hundred forty million, four hundred forty-two thousand, twenty-one".