2173344336 has 120 divisors (see below), whose sum is σ = 6681030720. Its totient is φ = 656460288.

The previous prime is 2173344331. The next prime is 2173344353. The reversal of 2173344336 is 6334433712.

2173344336 is a `hidden beast` number, since 217 + 3 + 3 + 4 + 433 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2173344336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173344331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45660 + ... + 80196.

It is an arithmetic number, because the mean of its divisors is an integer number (55675256).

Almost surely, 2^2173344336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2173344336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3340515360).

2173344336 is an abundant number, since it is smaller than the sum of its proper divisors (4507686384).

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

2173344336 is a wasteful number, since it uses less digits than its factorization.

2173344336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34593 (or 34584 counting only the distinct ones).

The product of its digits is 108864, while the sum is 36.

The square root of 2173344336 is about 46619.1413048331. The cubic root of 2173344336 is about 1295.3173416668.

The spelling of 2173344336 in words is "two billion, one hundred seventy-three million, three hundred forty-four thousand, three hundred thirty-six".