2013505433 has 4 divisors (see below), whose sum is σ = 2016378468. Its totient is φ = 2010632400.

The previous prime is 2013505387. The next prime is 2013505453. The reversal of 2013505433 is 3345053102.

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 1903402384 + 110103049 = 43628^2 + 10493^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013505433 - 2⁶ = 2013505369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013505453) 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, 1435466 + ... + 1436867.

It is an arithmetic number, because the mean of its divisors is an integer number (504094617).

Almost surely, 2^2013505433 is an apocalyptic number.

It is an amenable number.

2013505433 is a deficient number, since it is larger than the sum of its proper divisors (2873035).

2013505433 is an equidigital number, since it uses as much as digits as its factorization.

2013505433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873034.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2013505433 is about 44872.1008311401. The cubic root of 2013505433 is about 1262.7506534709.

Adding to 2013505433 its reverse (3345053102), we get a palindrome (5358558535).

The spelling of 2013505433 in words is "two billion, thirteen million, five hundred five thousand, four hundred thirty-three".