243345240413 has 8 divisors (see below), whose sum is σ = 265554982560. Its totient is φ = 221150072880.

The previous prime is 243345240403. The next prime is 243345240431. The reversal of 243345240413 is 314042543342.

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

It is not a de Polignac number, because 243345240413 - 2²⁰ = 243344191837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243345240403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3608723 + ... + 3675536.

It is an arithmetic number, because the mean of its divisors is an integer number (33194372820).

Almost surely, 2^243345240413 is an apocalyptic number.

It is an amenable number.

243345240413 is a deficient number, since it is larger than the sum of its proper divisors (22209742147).

243345240413 is a wasteful number, since it uses less digits than its factorization.

243345240413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287307.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 243345240413 its reverse (314042543342), we get a palindrome (557387783755).

The spelling of 243345240413 in words is "two hundred forty-three billion, three hundred forty-five million, two hundred forty thousand, four hundred thirteen".