2133029991 has 4 divisors (see below), whose sum is σ = 2844039992. Its totient is φ = 1422019992.

The previous prime is 2133029971. The next prime is 2133030013. The reversal of 2133029991 is 1999203312.

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

It is not a de Polignac number, because 2133029991 - 2⁷ = 2133029863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133029971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355504996 + ... + 355505001.

It is an arithmetic number, because the mean of its divisors is an integer number (711009998).

Almost surely, 2^2133029991 is an apocalyptic number.

2133029991 is a deficient number, since it is larger than the sum of its proper divisors (711010001).

2133029991 is an equidigital number, since it uses as much as digits as its factorization.

2133029991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711010000.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 2133029991 is about 46184.7376413464. The cubic root of 2133029991 is about 1287.2581612064.

The spelling of 2133029991 in words is "two billion, one hundred thirty-three million, twenty-nine thousand, nine hundred ninety-one".