2148332213 has 4 divisors (see below), whose sum is σ = 2162750700. Its totient is φ = 2133913728.

The previous prime is 2148332203. The next prime is 2148332233. The reversal of 2148332213 is 3122338412.

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 1324814404 + 823517809 = 36398^2 + 28697^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148332213 - 2⁶ = 2148332149 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 (2148332203) 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, 7209020 + ... + 7209317.

It is an arithmetic number, because the mean of its divisors is an integer number (540687675).

Almost surely, 2^2148332213 is an apocalyptic number.

It is an amenable number.

2148332213 is a deficient number, since it is larger than the sum of its proper divisors (14418487).

2148332213 is a wasteful number, since it uses less digits than its factorization.

2148332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14418486.

The product of its digits is 6912, while the sum is 29.

The square root of 2148332213 is about 46350.1047787381. The cubic root of 2148332213 is about 1290.3290655419.

The spelling of 2148332213 in words is "two billion, one hundred forty-eight million, three hundred thirty-two thousand, two hundred thirteen".