2172148873 has 8 divisors (see below), whose sum is σ = 2213827200. Its totient is φ = 2130496368.

The previous prime is 2172148841. The next prime is 2172148883. The reversal of 2172148873 is 3788412712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2172148873 - 2⁵ = 2172148841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2172148883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 305958 + ... + 312976.

It is an arithmetic number, because the mean of its divisors is an integer number (276728400).

Almost surely, 2^2172148873 is an apocalyptic number.

It is an amenable number.

2172148873 is a deficient number, since it is larger than the sum of its proper divisors (41678327).

2172148873 is an equidigital number, since it uses as much as digits as its factorization.

2172148873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911.

The product of its digits is 150528, while the sum is 43.

The square root of 2172148873 is about 46606.3179515396. The cubic root of 2172148873 is about 1295.0797987032.

The spelling of 2172148873 in words is "two billion, one hundred seventy-two million, one hundred forty-eight thousand, eight hundred seventy-three".