2152133443 has 4 divisors (see below), whose sum is σ = 2152945480. Its totient is φ = 2151321408.

The previous prime is 2152133393. The next prime is 2152133447. The reversal of 2152133443 is 3443312512.

It is a happy number.

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 2152133443 - 2¹⁷ = 2152002371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152133447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402030 + ... + 407347.

It is an arithmetic number, because the mean of its divisors is an integer number (538236370).

Almost surely, 2^2152133443 is an apocalyptic number.

2152133443 is a deficient number, since it is larger than the sum of its proper divisors (812037).

2152133443 is an equidigital number, since it uses as much as digits as its factorization.

2152133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812036.

The product of its digits is 8640, while the sum is 28.

The square root of 2152133443 is about 46391.0922807386. The cubic root of 2152133443 is about 1291.0896474037.

Adding to 2152133443 its reverse (3443312512), we get a palindrome (5595445955).

The spelling of 2152133443 in words is "two billion, one hundred fifty-two million, one hundred thirty-three thousand, four hundred forty-three".