3612243133 has 4 divisors (see below), whose sum is σ = 3612743068. Its totient is φ = 3611743200.

The previous prime is 3612243071. The next prime is 3612243149. The reversal of 3612243133 is 3313422163.

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 1692664164 + 1919578969 = 41142^2 + 43813^2 .

It is a cyclic number.

It is not a de Polignac number, because 3612243133 - 2¹⁷ = 3612112061 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 (3612243533) 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, 238968 + ... + 253633.

It is an arithmetic number, because the mean of its divisors is an integer number (903185767).

Almost surely, 2^3612243133 is an apocalyptic number.

It is an amenable number.

3612243133 is a deficient number, since it is larger than the sum of its proper divisors (499935).

3612243133 is an equidigital number, since it uses as much as digits as its factorization.

3612243133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499934.

The product of its digits is 7776, while the sum is 28.

The square root of 3612243133 is about 60101.9395111339. The cubic root of 3612243133 is about 1534.3543115764.

Adding to 3612243133 its reverse (3313422163), we get a palindrome (6925665296).

The spelling of 3612243133 in words is "three billion, six hundred twelve million, two hundred forty-three thousand, one hundred thirty-three".