2173204888 has 8 divisors (see below), whose sum is σ = 4074759180. Its totient is φ = 1086602440.

The previous prime is 2173204807. The next prime is 2173204939. The reversal of 2173204888 is 8884023712.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135825298 + ... + 135825313.

Almost surely, 2^2173204888 is an apocalyptic number.

It is an amenable number.

2173204888 is a deficient number, since it is larger than the sum of its proper divisors (1901554292).

2173204888 is a wasteful number, since it uses less digits than its factorization.

2173204888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271650617 (or 271650613 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 2173204888 is about 46617.6456719985. The cubic root of 2173204888 is about 1295.2896373169.

The spelling of 2173204888 in words is "two billion, one hundred seventy-three million, two hundred four thousand, eight hundred eighty-eight".