889934473009 has 4 divisors (see below), whose sum is σ = 920621868660. Its totient is φ = 859247077360.

The previous prime is 889934473007. The next prime is 889934473027. The reversal of 889934473009 is 900374439988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 401119555600 + 488814917409 = 633340^2 + 699153^2 .

It is a cyclic number.

It is not a de Polignac number, because 889934473009 - 2¹ = 889934473007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889934473007) 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, 15343697782 + ... + 15343697839.

It is an arithmetic number, because the mean of its divisors is an integer number (230155467165).

Almost surely, 2^889934473009 is an apocalyptic number.

It is an amenable number.

889934473009 is a deficient number, since it is larger than the sum of its proper divisors (30687395651).

889934473009 is a wasteful number, since it uses less digits than its factorization.

889934473009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30687395650.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 889934473009 in words is "eight hundred eighty-nine billion, nine hundred thirty-four million, four hundred seventy-three thousand, nine".