2133428267 has 4 divisors (see below), whose sum is σ = 2134709736. Its totient is φ = 2132146800.

The previous prime is 2133428263. The next prime is 2133428279. The reversal of 2133428267 is 7628243312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2133428267 - 2² = 2133428263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2133428267.

It is not an unprimeable number, because it can be changed into a prime (2133428261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638234 + ... + 641567.

It is an arithmetic number, because the mean of its divisors is an integer number (533677434).

Almost surely, 2^2133428267 is an apocalyptic number.

2133428267 is a deficient number, since it is larger than the sum of its proper divisors (1281469).

2133428267 is a wasteful number, since it uses less digits than its factorization.

2133428267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281468.

The product of its digits is 96768, while the sum is 38.

The square root of 2133428267 is about 46189.0492108249. The cubic root of 2133428267 is about 1287.3382744925.

The spelling of 2133428267 in words is "two billion, one hundred thirty-three million, four hundred twenty-eight thousand, two hundred sixty-seven".