2989565812 has 12 divisors (see below), whose sum is σ = 5373138820. Its totient is φ = 1454383296.

The previous prime is 2989565767. The next prime is 2989565827. The reversal of 2989565812 is 2185659892.

It can be written as a sum of positive squares in 2 ways, for example, as 1876275856 + 1113289956 = 43316^2 + 33366^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 10099737 + ... + 10100032.

Almost surely, 2^2989565812 is an apocalyptic number.

It is an amenable number.

2989565812 is a deficient number, since it is larger than the sum of its proper divisors (2383573008).

2989565812 is a wasteful number, since it uses less digits than its factorization.

2989565812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20199810 (or 20199808 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 55.

The square root of 2989565812 is about 54676.9221152764. The cubic root of 2989565812 is about 1440.5755498933.

The spelling of 2989565812 in words is "two billion, nine hundred eighty-nine million, five hundred sixty-five thousand, eight hundred twelve".