2133442277 has 8 divisors (see below), whose sum is σ = 2139358200. Its totient is φ = 2127536064.

The previous prime is 2133442271. The next prime is 2133442279. The reversal of 2133442277 is 7722443312.

It can be written as a sum of positive squares in 4 ways, for example, as 212022721 + 1921419556 = 14561^2 + 43834^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2133442277 - 2⁴ = 2133442261 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 (2133442271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659099 + ... + 662327.

It is an arithmetic number, because the mean of its divisors is an integer number (267419775).

Almost surely, 2^2133442277 is an apocalyptic number.

It is an amenable number.

2133442277 is a deficient number, since it is larger than the sum of its proper divisors (5915923).

2133442277 is an equidigital number, since it uses as much as digits as its factorization.

2133442277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855.

The product of its digits is 56448, while the sum is 35.

The square root of 2133442277 is about 46189.2008699003. The cubic root of 2133442277 is about 1287.3410924248.

Adding to 2133442277 its reverse (7722443312), we get a palindrome (9855885589).

The spelling of 2133442277 in words is "two billion, one hundred thirty-three million, four hundred forty-two thousand, two hundred seventy-seven".