2164289892 has 24 divisors (see below), whose sum is σ = 5060977152. Its totient is φ = 719863200.

The previous prime is 2164289891. The next prime is 2164289929. The reversal of 2164289892 is 2989824612.

It is a super-2 number, since 2×2164289892² = 9368301473226743328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2164289891) 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, 190084 + ... + 201147.

It is an arithmetic number, because the mean of its divisors is an integer number (210874048).

Almost surely, 2^2164289892 is an apocalyptic number.

It is an amenable number.

2164289892 is an abundant number, since it is smaller than the sum of its proper divisors (2896687260).

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

2164289892 is a wasteful number, since it uses less digits than its factorization.

2164289892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391699 (or 391697 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 2164289892 is about 46521.9291517452. The cubic root of 2164289892 is about 1293.5160158986.

The spelling of 2164289892 in words is "two billion, one hundred sixty-four million, two hundred eighty-nine thousand, eight hundred ninety-two".