2117725326 has 48 divisors (see below), whose sum is σ = 4893361200. Its totient is φ = 659591424.

The previous prime is 2117725279. The next prime is 2117725339. The reversal of 2117725326 is 6235277112.

2117725326 is a `hidden beast` number, since 2 + 117 + 7 + 2 + 532 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17640 + ... + 67428.

It is an arithmetic number, because the mean of its divisors is an integer number (101945025).

Almost surely, 2^2117725326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117725326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2446680600).

2117725326 is an abundant number, since it is smaller than the sum of its proper divisors (2775635874).

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

2117725326 is a wasteful number, since it uses less digits than its factorization.

2117725326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49953 (or 49950 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 2117725326 is about 46018.7497222599. The cubic root of 2117725326 is about 1284.1720407377.

The spelling of 2117725326 in words is "two billion, one hundred seventeen million, seven hundred twenty-five thousand, three hundred twenty-six".