2104530985 has 16 divisors (see below), whose sum is σ = 2610268416. Its totient is φ = 1627934848.

The previous prime is 2104530977. The next prime is 2104531019. The reversal of 2104530985 is 5890354012.

It is a cyclic number.

It is not a de Polignac number, because 2104530985 - 2³ = 2104530977 is a prime.

It is a Duffinian 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, 34444 + ... + 73453.

It is an arithmetic number, because the mean of its divisors is an integer number (163141776).

Almost surely, 2^2104530985 is an apocalyptic number.

It is an amenable number.

2104530985 is a deficient number, since it is larger than the sum of its proper divisors (505737431).

2104530985 is a wasteful number, since it uses less digits than its factorization.

2104530985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108032.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2104530985 is about 45875.1674111387. The cubic root of 2104530985 is about 1281.4995010123.

Adding to 2104530985 its reverse (5890354012), we get a palindrome (7994884997).

The spelling of 2104530985 in words is "two billion, one hundred four million, five hundred thirty thousand, nine hundred eighty-five".