243093113493 has 4 divisors (see below), whose sum is σ = 324124151328. Its totient is φ = 162062075660.

The previous prime is 243093113491. The next prime is 243093113539. The reversal of 243093113493 is 394311390342.

It is a happy number.

243093113493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243093113493 - 2¹ = 243093113491 is a prime.

It is a super-2 number, since 2×243093113493² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243093113491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40515518913 + ... + 40515518918.

It is an arithmetic number, because the mean of its divisors is an integer number (81031037832).

Almost surely, 2^243093113493 is an apocalyptic number.

It is an amenable number.

243093113493 is a deficient number, since it is larger than the sum of its proper divisors (81031037835).

243093113493 is an equidigital number, since it uses as much as digits as its factorization.

243093113493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81031037834.

The product of its (nonzero) digits is 209952, while the sum is 42.

The spelling of 243093113493 in words is "two hundred forty-three billion, ninety-three million, one hundred thirteen thousand, four hundred ninety-three".