2163836804 has 12 divisors (see below), whose sum is σ = 3792060300. Its totient is φ = 1080391008.

The previous prime is 2163836791. The next prime is 2163836813. The reversal of 2163836804 is 4086383612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 192654400 + 1971182404 = 13880^2 + 44398^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378659 + ... + 384330.

It is an arithmetic number, because the mean of its divisors is an integer number (316005025).

Almost surely, 2^2163836804 is an apocalyptic number.

It is an amenable number.

2163836804 is a deficient number, since it is larger than the sum of its proper divisors (1628223496).

2163836804 is a wasteful number, since it uses less digits than its factorization.

2163836804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763702 (or 763700 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 2163836804 is about 46517.0592793655. The cubic root of 2163836804 is about 1293.4257449527.

The spelling of 2163836804 in words is "two billion, one hundred sixty-three million, eight hundred thirty-six thousand, eight hundred four".