243022326421089 has 4 divisors (see below), whose sum is σ = 324029768561456. Its totient is φ = 162014884280724.

The previous prime is 243022326421079. The next prime is 243022326421163. The reversal of 243022326421089 is 980124623220342.

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 not a de Polignac number, because 243022326421089 - 2³⁶ = 242953606944353 is a prime.

It is a super-3 number, since 3×243022326421089³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243022326421009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40503721070179 + ... + 40503721070184.

It is an arithmetic number, because the mean of its divisors is an integer number (81007442140364).

Almost surely, 2^{243022326421089} is an apocalyptic number.

It is an amenable number.

243022326421089 is a deficient number, since it is larger than the sum of its proper divisors (81007442140367).

243022326421089 is an equidigital number, since it uses as much as digits as its factorization.

243022326421089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81007442140366.

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 243022326421089 in words is "two hundred forty-three trillion, twenty-two billion, three hundred twenty-six million, four hundred twenty-one thousand, eighty-nine".