2173572141 has 16 divisors (see below), whose sum is σ = 3205380864. Its totient is φ = 1301431104.

The previous prime is 2173572133. The next prime is 2173572143. The reversal of 2173572141 is 1412753712.

It is not a de Polignac number, because 2173572141 - 2³ = 2173572133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173572143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751701 + ... + 754586.

It is an arithmetic number, because the mean of its divisors is an integer number (200336304).

Almost surely, 2^2173572141 is an apocalyptic number.

It is an amenable number.

2173572141 is a deficient number, since it is larger than the sum of its proper divisors (1031808723).

2173572141 is a wasteful number, since it uses less digits than its factorization.

2173572141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506340.

The product of its digits is 11760, while the sum is 33.

The square root of 2173572141 is about 46621.5844968830. The cubic root of 2173572141 is about 1295.3625974895.

The spelling of 2173572141 in words is "two billion, one hundred seventy-three million, five hundred seventy-two thousand, one hundred forty-one".