2173527349 has 6 divisors (see below), whose sum is σ = 2528389014. Its totient is φ = 1863023400.

The previous prime is 2173527337. The next prime is 2173527379. The reversal of 2173527349 is 9437253712.

It can be written as a sum of positive squares in only one way, i.e., 2067066225 + 106461124 = 45465^2 + 10318^2 .

It is not a de Polignac number, because 2173527349 - 2⁹ = 2173526837 is a prime.

It is a super-2 number, since 2×2173527349² = 9448442273701935602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173527319) 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, 22178802 + ... + 22178899.

It is an arithmetic number, because the mean of its divisors is an integer number (421398169).

Almost surely, 2^2173527349 is an apocalyptic number.

It is an amenable number.

2173527349 is a deficient number, since it is larger than the sum of its proper divisors (354861665).

2173527349 is an equidigital number, since it uses as much as digits as its factorization.

2173527349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44357715 (or 44357708 counting only the distinct ones).

The product of its digits is 317520, while the sum is 43.

The square root of 2173527349 is about 46621.1041160546. The cubic root of 2173527349 is about 1295.3536993445.

The spelling of 2173527349 in words is "two billion, one hundred seventy-three million, five hundred twenty-seven thousand, three hundred forty-nine".