2133405788 has 24 divisors (see below), whose sum is σ = 3761638272. Its totient is φ = 1058678784.

The previous prime is 2133405773. The next prime is 2133405821. The reversal of 2133405788 is 8875043312.

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, 349781 + ... + 355827.

It is an arithmetic number, because the mean of its divisors is an integer number (156734928).

Almost surely, 2^2133405788 is an apocalyptic number.

It is an amenable number.

2133405788 is a deficient number, since it is larger than the sum of its proper divisors (1628232484).

2133405788 is a wasteful number, since it uses less digits than its factorization.

2133405788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701 (or 6699 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 2133405788 is about 46188.8058732849. The cubic root of 2133405788 is about 1287.3337531033. Note that the first 3 decimals are identical.

The spelling of 2133405788 in words is "two billion, one hundred thirty-three million, four hundred five thousand, seven hundred eighty-eight".