10809934428 has 12 divisors (see below), whose sum is σ = 25223180360. Its totient is φ = 3603311472.

The previous prime is 10809934409. The next prime is 10809934433. The reversal of 10809934428 is 82443990801.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450413923 + ... + 450413946.

Almost surely, 2^10809934428 is an apocalyptic number.

It is an amenable number.

10809934428 is an abundant number, since it is smaller than the sum of its proper divisors (14413245932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10809934428 is a wasteful number, since it uses less digits than its factorization.

10809934428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900827876 (or 900827874 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 10809934428 in words is "ten billion, eight hundred nine million, nine hundred thirty-four thousand, four hundred twenty-eight".