2133543648 has 48 divisors (see below), whose sum is σ = 5654952576. Its totient is φ = 704273280.

The previous prime is 2133543647. The next prime is 2133543661. The reversal of 2133543648 is 8463453312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2133543648² = 9104016995842295808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133543647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97998 + ... + 117773.

It is an arithmetic number, because the mean of its divisors is an integer number (117811512).

Almost surely, 2^2133543648 is an apocalyptic number.

It is an amenable number.

2133543648 is an abundant number, since it is smaller than the sum of its proper divisors (3521408928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133543648 is a wasteful number, since it uses less digits than its factorization.

2133543648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215887 (or 215879 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 2133543648 is about 46190.2982021117. The cubic root of 2133543648 is about 1287.3614815379.

The spelling of 2133543648 in words is "two billion, one hundred thirty-three million, five hundred forty-three thousand, six hundred forty-eight".