2133504445 has 8 divisors (see below), whose sum is σ = 2562316344. Its totient is φ = 1705396224.

The previous prime is 2133504431. The next prime is 2133504491. The reversal of 2133504445 is 5444053312.

It can be written as a sum of positive squares in 4 ways, for example, as 354267684 + 1779236761 = 18822^2 + 42181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133504445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169224 + ... + 181393.

It is an arithmetic number, because the mean of its divisors is an integer number (320289543).

Almost surely, 2^2133504445 is an apocalyptic number.

It is an amenable number.

2133504445 is a deficient number, since it is larger than the sum of its proper divisors (428811899).

2133504445 is a wasteful number, since it uses less digits than its factorization.

2133504445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351839.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2133504445 is about 46189.8738361559. The cubic root of 2133504445 is about 1287.3535965744.

Adding to 2133504445 its reverse (5444053312), we get a palindrome (7577557757).

The spelling of 2133504445 in words is "two billion, one hundred thirty-three million, five hundred four thousand, four hundred forty-five".