2173298697 has 6 divisors (see below), whose sum is σ = 3139209242. Its totient is φ = 1448865792.

The previous prime is 2173298693. The next prime is 2173298707. The reversal of 2173298697 is 7968923712.

It can be written as a sum of positive squares in only one way, i.e., 2165878521 + 7420176 = 46539^2 + 2724^2 .

It is not a de Polignac number, because 2173298697 - 2² = 2173298693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2173298693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120738808 + ... + 120738825.

Almost surely, 2^2173298697 is an apocalyptic number.

It is an amenable number.

2173298697 is a deficient number, since it is larger than the sum of its proper divisors (965910545).

2173298697 is a wasteful number, since it uses less digits than its factorization.

2173298697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241477639 (or 241477636 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 2173298697 is about 46618.6518144830. The cubic root of 2173298697 is about 1295.3082746265.

The spelling of 2173298697 in words is "two billion, one hundred seventy-three million, two hundred ninety-eight thousand, six hundred ninety-seven".