2100606844 has 24 divisors (see below), whose sum is σ = 4205508608. Its totient is φ = 899339760.

The previous prime is 2100606829. The next prime is 2100606857. The reversal of 2100606844 is 4486060012.

It is a super-2 number, since 2×2100606844² = 8825098226119280672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10104 + ... + 65599.

Almost surely, 2^2100606844 is an apocalyptic number.

It is an amenable number.

2100606844 is an abundant number, since it is smaller than the sum of its proper divisors (2104901764).

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

2100606844 is a wasteful number, since it uses less digits than its factorization.

2100606844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76705 (or 76703 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2100606844 is about 45832.3776821583. The cubic root of 2100606844 is about 1280.7025041843.

Adding to 2100606844 its reverse (4486060012), we get a palindrome (6586666856).

The spelling of 2100606844 in words is "two billion, one hundred million, six hundred six thousand, eight hundred forty-four".