2533543149 has 4 divisors (see below), whose sum is σ = 3378057536. Its totient is φ = 1689028764.

The previous prime is 2533543147. The next prime is 2533543157. The reversal of 2533543149 is 9413453352.

2533543149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2533543149 - 2¹ = 2533543147 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 (2533543147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422257189 + ... + 422257194.

It is an arithmetic number, because the mean of its divisors is an integer number (844514384).

Almost surely, 2^2533543149 is an apocalyptic number.

It is an amenable number.

2533543149 is a deficient number, since it is larger than the sum of its proper divisors (844514387).

2533543149 is an equidigital number, since it uses as much as digits as its factorization.

2533543149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844514386.

The product of its digits is 194400, while the sum is 39.

The square root of 2533543149 is about 50334.3138326132. The cubic root of 2533543149 is about 1363.2518688790.

The spelling of 2533543149 in words is "two billion, five hundred thirty-three million, five hundred forty-three thousand, one hundred forty-nine".