2171130684 has 24 divisors (see below), whose sum is σ = 5332602240. Its totient is φ = 685620144.

The previous prime is 2171130679. The next prime is 2171130697. The reversal of 2171130684 is 4860311712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4761024 + ... + 4761479.

It is an arithmetic number, because the mean of its divisors is an integer number (222191760).

Almost surely, 2^2171130684 is an apocalyptic number.

It is an amenable number.

2171130684 is an abundant number, since it is smaller than the sum of its proper divisors (3161471556).

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

2171130684 is a wasteful number, since it uses less digits than its factorization.

2171130684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522529 (or 9522527 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 2171130684 is about 46595.3933774574. The cubic root of 2171130684 is about 1294.8774120081.

The spelling of 2171130684 in words is "two billion, one hundred seventy-one million, one hundred thirty thousand, six hundred eighty-four".