2104065564 has 24 divisors (see below), whose sum is σ = 4910279808. Its totient is φ = 701241840.

The previous prime is 2104065547. The next prime is 2104065577. The reversal of 2104065564 is 4655604012.

It is a super-2 number, since 2×2104065564² = 8854183795221276192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99919 + ... + 119129.

It is an arithmetic number, because the mean of its divisors is an integer number (204594992).

Almost surely, 2^2104065564 is an apocalyptic number.

It is an amenable number.

2104065564 is an abundant number, since it is smaller than the sum of its proper divisors (2806214244).

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

2104065564 is a wasteful number, since it uses less digits than its factorization.

2104065564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28345 (or 28343 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2104065564 is about 45870.0944407138. The cubic root of 2104065564 is about 1281.4050253696.

Adding to 2104065564 its reverse (4655604012), we get a palindrome (6759669576).

The spelling of 2104065564 in words is "two billion, one hundred four million, sixty-five thousand, five hundred sixty-four".