2173328245 has 32 divisors (see below), whose sum is σ = 2909007360. Its totient is φ = 1545445440.

The previous prime is 2173328239. The next prime is 2173328251. The reversal of 2173328245 is 5428233712.

It is an interprime number because it is at equal distance from previous prime (2173328239) and next prime (2173328251).

It is not a de Polignac number, because 2173328245 - 2¹³ = 2173320053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510094 + ... + 514336.

It is an arithmetic number, because the mean of its divisors is an integer number (90906480).

Almost surely, 2^2173328245 is an apocalyptic number.

It is an amenable number.

2173328245 is a deficient number, since it is larger than the sum of its proper divisors (735679115).

2173328245 is a wasteful number, since it uses less digits than its factorization.

2173328245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465.

The product of its digits is 80640, while the sum is 37.

The square root of 2173328245 is about 46618.9687251874. The cubic root of 2173328245 is about 1295.3141449034.

The spelling of 2173328245 in words is "two billion, one hundred seventy-three million, three hundred twenty-eight thousand, two hundred forty-five".