2173681341 has 48 divisors (see below), whose sum is σ = 3510102960. Its totient is φ = 1287014400.

The previous prime is 2173681337. The next prime is 2173681357. The reversal of 2173681341 is 1431863712.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 591948900 + 1581732441 = 24330^2 + 39771^2 .

It is not a de Polignac number, because 2173681341 - 2² = 2173681337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2173681296 and 2173681305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173681141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1142491 + ... + 1144391.

It is an arithmetic number, because the mean of its divisors is an integer number (73127145).

Almost surely, 2^2173681341 is an apocalyptic number.

It is an amenable number.

2173681341 is a deficient number, since it is larger than the sum of its proper divisors (1336421619).

2173681341 is a wasteful number, since it uses less digits than its factorization.

2173681341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2283 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2173681341 is about 46622.7556135413. The cubic root of 2173681341 is about 1295.3842900793.

The spelling of 2173681341 in words is "two billion, one hundred seventy-three million, six hundred eighty-one thousand, three hundred forty-one".