2009868159 has 12 divisors (see below), whose sum is σ = 2901822216. Its totient is φ = 1236841632.

The previous prime is 2009868131. The next prime is 2009868169. The reversal of 2009868159 is 9518689002.

It is a happy number.

It is not a de Polignac number, because 2009868159 - 2¹³ = 2009859967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009868169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1981612 + ... + 1982625.

It is an arithmetic number, because the mean of its divisors is an integer number (241818518).

Almost surely, 2^2009868159 is an apocalyptic number.

2009868159 is a deficient number, since it is larger than the sum of its proper divisors (891954057).

2009868159 is a wasteful number, since it uses less digits than its factorization.

2009868159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964266 (or 3964253 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 2009868159 is about 44831.5531629231. The cubic root of 2009868159 is about 1261.9898346416.

The spelling of 2009868159 in words is "two billion, nine million, eight hundred sixty-eight thousand, one hundred fifty-nine".