2173330287 has 6 divisors (see below), whose sum is σ = 3139254872. Its totient is φ = 1448886852.

The previous prime is 2173330277. The next prime is 2173330297. The reversal of 2173330287 is 7820333712.

It is an interprime number because it is at equal distance from previous prime (2173330277) and next prime (2173330297).

It is not a de Polignac number, because 2173330287 - 2¹¹ = 2173328239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173330277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120740563 + ... + 120740580.

Almost surely, 2^2173330287 is an apocalyptic number.

2173330287 is a deficient number, since it is larger than the sum of its proper divisors (965924585).

2173330287 is a wasteful number, since it uses less digits than its factorization.

2173330287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241481149 (or 241481146 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 2173330287 is about 46618.9906261386. The cubic root of 2173330287 is about 1295.3145505839.

Adding to 2173330287 its reverse (7820333712), we get a palindrome (9993663999).

The spelling of 2173330287 in words is "two billion, one hundred seventy-three million, three hundred thirty thousand, two hundred eighty-seven".