2133556704 has 36 divisors (see below), whose sum is σ = 6067302696. Its totient is φ = 711185472.

The previous prime is 2133556639. The next prime is 2133556727. The reversal of 2133556704 is 4076553312.

2133556704 is a `hidden beast` number, since 2 + 1 + 33 + 556 + 70 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3703804 + ... + 3704379.

It is an arithmetic number, because the mean of its divisors is an integer number (168536186).

Almost surely, 2^2133556704 is an apocalyptic number.

2133556704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2133556704 is an abundant number, since it is smaller than the sum of its proper divisors (3933745992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133556704 is a wasteful number, since it uses less digits than its factorization.

2133556704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408199 (or 7408188 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 2133556704 is about 46190.4395302751. The cubic root of 2133556704 is about 1287.3641074910.

The spelling of 2133556704 in words is "two billion, one hundred thirty-three million, five hundred fifty-six thousand, seven hundred four".