2100443404 has 6 divisors (see below), whose sum is σ = 3675775964. Its totient is φ = 1050221700.

The previous prime is 2100443399. The next prime is 2100443431. The reversal of 2100443404 is 4043440012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262555422 + ... + 262555429.

Almost surely, 2^2100443404 is an apocalyptic number.

It is an amenable number.

2100443404 is a deficient number, since it is larger than the sum of its proper divisors (1575332560).

2100443404 is a wasteful number, since it uses less digits than its factorization.

2100443404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525110855 (or 525110853 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2100443404 is about 45830.5946284793. The cubic root of 2100443404 is about 1280.6692878391.

Adding to 2100443404 its reverse (4043440012), we get a palindrome (6143883416).

The spelling of 2100443404 in words is "two billion, one hundred million, four hundred forty-three thousand, four hundred four".