2173261092 has 12 divisors (see below), whose sum is σ = 5070942576. Its totient is φ = 724420360.

The previous prime is 2173261037. The next prime is 2173261093. The reversal of 2173261092 is 2901623712.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2173261093) 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 3 ways as a sum of consecutive naturals, for example, 90552534 + ... + 90552557.

It is an arithmetic number, because the mean of its divisors is an integer number (422578548).

Almost surely, 2^2173261092 is an apocalyptic number.

It is an amenable number.

2173261092 is an abundant number, since it is smaller than the sum of its proper divisors (2897681484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2173261092 is a wasteful number, since it uses less digits than its factorization.

2173261092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181105098 (or 181105096 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2173261092 is about 46618.2484870464. The cubic root of 2173261092 is about 1295.3008035951.

The spelling of 2173261092 in words is "two billion, one hundred seventy-three million, two hundred sixty-one thousand, ninety-two".