2173813884 has 54 divisors (see below), whose sum is σ = 6039881120. Its totient is φ = 658730160.

The previous prime is 2173813853. The next prime is 2173813897. The reversal of 2173813884 is 4883183712.

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 17 ways as a sum of consecutive naturals, for example, 245164 + ... + 253875.

Almost surely, 2^2173813884 is an apocalyptic number.

It is an amenable number.

2173813884 is an abundant number, since it is smaller than the sum of its proper divisors (3866067236).

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

2173813884 is a wasteful number, since it uses less digits than its factorization.

2173813884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499071 (or 499055 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 2173813884 is about 46624.1770329515. The cubic root of 2173813884 is about 1295.4106187822.

The spelling of 2173813884 in words is "two billion, one hundred seventy-three million, eight hundred thirteen thousand, eight hundred eighty-four".