2159490916 has 48 divisors (see below), whose sum is σ = 4279242240. Its totient is φ = 944536320.

The previous prime is 2159490881. The next prime is 2159490947. The reversal of 2159490916 is 6190949512.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396685 + ... + 402091.

It is an arithmetic number, because the mean of its divisors is an integer number (89150880).

Almost surely, 2^2159490916 is an apocalyptic number.

It is an amenable number.

2159490916 is a deficient number, since it is larger than the sum of its proper divisors (2119751324).

2159490916 is a wasteful number, since it uses less digits than its factorization.

2159490916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764 (or 5762 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 2159490916 is about 46470.3229599279. The cubic root of 2159490916 is about 1292.5592515740.

The spelling of 2159490916 in words is "two billion, one hundred fifty-nine million, four hundred ninety thousand, nine hundred sixteen".