2171461132 has 12 divisors (see below), whose sum is σ = 4000060120. Its totient is φ = 1028586816.

The previous prime is 2171461129. The next prime is 2171461133. The reversal of 2171461132 is 2311641712.

It is a self number, because there is not a number n which added to its sum of digits gives 2171461132.

It is not an unprimeable number, because it can be changed into a prime (2171461133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14285853 + ... + 14286004.

Almost surely, 2^2171461132 is an apocalyptic number.

It is an amenable number.

2171461132 is a deficient number, since it is larger than the sum of its proper divisors (1828598988).

2171461132 is a wasteful number, since it uses less digits than its factorization.

2171461132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28571880 (or 28571878 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 2171461132 is about 46598.9391724747. The cubic root of 2171461132 is about 1294.9431025026.

The spelling of 2171461132 in words is "two billion, one hundred seventy-one million, four hundred sixty-one thousand, one hundred thirty-two".