2100859300 has 18 divisors (see below), whose sum is σ = 4558864898. Its totient is φ = 840343680.

The previous prime is 2100859249. The next prime is 2100859301. The reversal of 2100859300 is 39580012.

It can be written as a sum of positive squares in 3 ways, for example, as 533332836 + 1567526464 = 23094^2 + 39592^2 .

It is not an unprimeable number, because it can be changed into a prime (2100859301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10504197 + ... + 10504396.

Almost surely, 2^2100859300 is an apocalyptic number.

2100859300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100859300 is an abundant number, since it is smaller than the sum of its proper divisors (2458005598).

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

2100859300 is a wasteful number, since it uses less digits than its factorization.

2100859300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21008607 (or 21008600 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2100859300 is about 45835.1317222935. The cubic root of 2100859300 is about 1280.7538081017.

It can be divided in two parts, 21008 and 59300, that added together give a palindrome (80308).

The spelling of 2100859300 in words is "two billion, one hundred million, eight hundred fifty-nine thousand, three hundred".