2100804633 has 16 divisors (see below), whose sum is σ = 3140860800. Its totient is φ = 1387685520.

The previous prime is 2100804623. The next prime is 2100804647. The reversal of 2100804633 is 3364080012.

It is a happy number.

2100804633 is a `hidden beast` number, since 21 + 0 + 0 + 8 + 0 + 4 + 633 = 666.

It is not a de Polignac number, because 2100804633 - 2³⁰ = 1027062809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2100804597 and 2100804606.

It is not an unprimeable number, because it can be changed into a prime (2100804623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 353973 + ... + 359858.

It is an arithmetic number, because the mean of its divisors is an integer number (196303800).

Almost surely, 2^2100804633 is an apocalyptic number.

It is an amenable number.

2100804633 is a deficient number, since it is larger than the sum of its proper divisors (1040056167).

2100804633 is a wasteful number, since it uses less digits than its factorization.

2100804633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713949 (or 713943 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2100804633 is about 45834.5353745405. The cubic root of 2100804633 is about 1280.7426990639.

Adding to 2100804633 its reverse (3364080012), we get a palindrome (5464884645).

The spelling of 2100804633 in words is "two billion, one hundred million, eight hundred four thousand, six hundred thirty-three".