2159281712 has 40 divisors (see below), whose sum is σ = 4789696416. Its totient is φ = 923774976.

The previous prime is 2159281711. The next prime is 2159281783. The reversal of 2159281712 is 2171829512.

It is not an unprimeable number, because it can be changed into a prime (2159281711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47918 + ... + 81330.

Almost surely, 2^2159281712 is an apocalyptic number.

It is an amenable number.

2159281712 is an abundant number, since it is smaller than the sum of its proper divisors (2630414704).

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

2159281712 is a wasteful number, since it uses less digits than its factorization.

2159281712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34005 (or 33999 counting only the distinct ones).

The product of its digits is 20160, while the sum is 38.

The square root of 2159281712 is about 46468.0719634460. The cubic root of 2159281712 is about 1292.5175106717.

The spelling of 2159281712 in words is "two billion, one hundred fifty-nine million, two hundred eighty-one thousand, seven hundred twelve".