2176689332 has 6 divisors (see below), whose sum is σ = 3809206338. Its totient is φ = 1088344664.

The previous prime is 2176689331. The next prime is 2176689379. The reversal of 2176689332 is 2339866712.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1224720016 + 951969316 = 34996^2 + 30854^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2176689331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272086163 + ... + 272086170.

It is an arithmetic number, because the mean of its divisors is an integer number (634867723).

Almost surely, 2^2176689332 is an apocalyptic number.

It is an amenable number.

2176689332 is a deficient number, since it is larger than the sum of its proper divisors (1632517006).

2176689332 is a wasteful number, since it uses less digits than its factorization.

2176689332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544172337 (or 544172335 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 2176689332 is about 46655.0032901081. The cubic root of 2176689332 is about 1295.9815423437.

The spelling of 2176689332 in words is "two billion, one hundred seventy-six million, six hundred eighty-nine thousand, three hundred thirty-two".