2173173530 has 32 divisors (see below), whose sum is σ = 4288809600. Its totient is φ = 786265920.

The previous prime is 2173173523. The next prime is 2173173533. The reversal of 2173173530 is 353713712.

It is not an unprimeable number, because it can be changed into a prime (2173173533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27749 + ... + 71528.

It is an arithmetic number, because the mean of its divisors is an integer number (134025300).

Almost surely, 2^2173173530 is an apocalyptic number.

2173173530 is a deficient number, since it is larger than the sum of its proper divisors (2115636070).

2173173530 is a wasteful number, since it uses less digits than its factorization.

2173173530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99494.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 2173173530 is about 46617.3093389140. The cubic root of 2173173530 is about 1295.2834072113.

The spelling of 2173173530 in words is "two billion, one hundred seventy-three million, one hundred seventy-three thousand, five hundred thirty".