2172173036 has 48 divisors (see below), whose sum is σ = 4267431168. Its totient is φ = 958910400.

The previous prime is 2172173027. The next prime is 2172173039. The reversal of 2172173036 is 6303712712.

2172173036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2172172993 and 2172173011.

It is not an unprimeable number, because it can be changed into a prime (2172173039) 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, 339281 + ... + 345623.

It is an arithmetic number, because the mean of its divisors is an integer number (88904816).

Almost surely, 2^2172173036 is an apocalyptic number.

It is an amenable number.

2172173036 is a deficient number, since it is larger than the sum of its proper divisors (2095258132).

2172173036 is a wasteful number, since it uses less digits than its factorization.

2172173036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582 (or 6580 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 2172173036 is about 46606.5771753301. The cubic root of 2172173036 is about 1295.0846008444.

Adding to 2172173036 its reverse (6303712712), we get a palindrome (8475885748).

The spelling of 2172173036 in words is "two billion, one hundred seventy-two million, one hundred seventy-three thousand, thirty-six".