2169984896 has 32 divisors (see below), whose sum is σ = 4326313680. Its totient is φ = 1084165120.

The previous prime is 2169984881. The next prime is 2169984913. The reversal of 2169984896 is 6984899612.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183845 + ... + 195291.

Almost surely, 2^2169984896 is an apocalyptic number.

It is an amenable number.

2169984896 is a deficient number, since it is larger than the sum of its proper divisors (2156328784).

2169984896 is a wasteful number, since it uses less digits than its factorization.

2169984896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12942 (or 12930 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 62.

The square root of 2169984896 is about 46583.0966767990. The cubic root of 2169984896 is about 1294.6495866203.

The spelling of 2169984896 in words is "two billion, one hundred sixty-nine million, nine hundred eighty-four thousand, eight hundred ninety-six".