2133331999 has 4 divisors (see below), whose sum is σ = 2154454200. Its totient is φ = 2112209800.

The previous prime is 2133331997. The next prime is 2133332009. The reversal of 2133331999 is 9991333312.

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 2133331999 - 2¹ = 2133331997 is a prime.

It is a super-2 number, since 2×2133331999² = 9102210835914672002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133331997) 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, 10560949 + ... + 10561150.

It is an arithmetic number, because the mean of its divisors is an integer number (538613550).

Almost surely, 2^2133331999 is an apocalyptic number.

2133331999 is a deficient number, since it is larger than the sum of its proper divisors (21122201).

2133331999 is a wasteful number, since it uses less digits than its factorization.

2133331999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122200.

The product of its digits is 118098, while the sum is 43.

The square root of 2133331999 is about 46188.0070905858. The cubic root of 2133331999 is about 1287.3189110815.

The spelling of 2133331999 in words is "two billion, one hundred thirty-three million, three hundred thirty-one thousand, nine hundred ninety-nine".