2164517289 has 32 divisors (see below), whose sum is σ = 3547514880. Its totient is φ = 1293339600.

The previous prime is 2164517249. The next prime is 2164517317. The reversal of 2164517289 is 9827154612.

It is not a de Polignac number, because 2164517289 - 2⁷ = 2164517161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2164517219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30237 + ... + 72410.

It is an arithmetic number, because the mean of its divisors is an integer number (110859840).

Almost surely, 2^2164517289 is an apocalyptic number.

It is an amenable number.

2164517289 is a deficient number, since it is larger than the sum of its proper divisors (1382997591).

2164517289 is a wasteful number, since it uses less digits than its factorization.

2164517289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102738 (or 102732 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2164517289 is about 46524.3730640188. The cubic root of 2164517289 is about 1293.5613165707.

The spelling of 2164517289 in words is "two billion, one hundred sixty-four million, five hundred seventeen thousand, two hundred eighty-nine".