2173288506 has 16 divisors (see below), whose sum is σ = 4347055200. Its totient is φ = 724349808.

The previous prime is 2173288501. The next prime is 2173288549. The reversal of 2173288506 is 6058823712.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2173288501) 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 7 ways as a sum of consecutive naturals, for example, 71265 + ... + 97083.

It is an arithmetic number, because the mean of its divisors is an integer number (271690950).

Almost surely, 2^2173288506 is an apocalyptic number.

2173288506 is an abundant number, since it is smaller than the sum of its proper divisors (2173766694).

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

2173288506 is a wasteful number, since it uses less digits than its factorization.

2173288506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39853.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2173288506 is about 46618.5425126097. The cubic root of 2173288506 is about 1295.3062499766.

The spelling of 2173288506 in words is "two billion, one hundred seventy-three million, two hundred eighty-eight thousand, five hundred six".