2163405304 has 16 divisors (see below), whose sum is σ = 4132921320. Its totient is φ = 1061292960.

The previous prime is 2163405289. The next prime is 2163405317. The reversal of 2163405304 is 4035043612.

2163405304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550762 + ... + 2551609.

Almost surely, 2^2163405304 is an apocalyptic number.

It is an amenable number.

2163405304 is a deficient number, since it is larger than the sum of its proper divisors (1969516016).

2163405304 is a wasteful number, since it uses less digits than its factorization.

2163405304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102430 (or 5102426 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2163405304 is about 46512.4209647273. The cubic root of 2163405304 is about 1293.3397633742.

Adding to 2163405304 its reverse (4035043612), we get a palindrome (6198448916).

The spelling of 2163405304 in words is "two billion, one hundred sixty-three million, four hundred five thousand, three hundred four".