2133009733 has 4 divisors (see below), whose sum is σ = 2136607308. Its totient is φ = 2129412160.

The previous prime is 2133009721. The next prime is 2133009757. The reversal of 2133009733 is 3379003312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1140885729 + 992124004 = 33777^2 + 31498^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133009733 - 2¹⁷ = 2132878661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2133009695 and 2133009704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133009233) 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, 1797898 + ... + 1799083.

It is an arithmetic number, because the mean of its divisors is an integer number (534151827).

Almost surely, 2^2133009733 is an apocalyptic number.

It is an amenable number.

2133009733 is a deficient number, since it is larger than the sum of its proper divisors (3597575).

2133009733 is an equidigital number, since it uses as much as digits as its factorization.

2133009733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597574.

The product of its (nonzero) digits is 10206, while the sum is 31.

The square root of 2133009733 is about 46184.5183259499. The cubic root of 2133009733 is about 1287.2540860397.

The spelling of 2133009733 in words is "two billion, one hundred thirty-three million, nine thousand, seven hundred thirty-three".