243091439089 has 8 divisors (see below), whose sum is σ = 257681132928. Its totient is φ = 228533989440.

The previous prime is 243091439057. The next prime is 243091439159. The reversal of 243091439089 is 980934190342.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 243091439089 - 2⁵ = 243091439057 is a prime.

It is a super-3 number, since 3×243091439089³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243091439029) 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, 8045517 + ... + 8075674.

It is an arithmetic number, because the mean of its divisors is an integer number (32210141616).

Almost surely, 2^243091439089 is an apocalyptic number.

It is an amenable number.

243091439089 is a deficient number, since it is larger than the sum of its proper divisors (14589693839).

243091439089 is a wasteful number, since it uses less digits than its factorization.

243091439089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16122095.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 243091439089 in words is "two hundred forty-three billion, ninety-one million, four hundred thirty-nine thousand, eighty-nine".