3641213533 has 4 divisors (see below), whose sum is σ = 3650294268. Its totient is φ = 3632132800.

The previous prime is 3641213503. The next prime is 3641213539. The reversal of 3641213533 is 3353121463.

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 3211148889 + 430064644 = 56667^2 + 20738^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641213533 - 2¹³ = 3641205341 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3641213495 and 3641213504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641213539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4539766 + ... + 4540567.

It is an arithmetic number, because the mean of its divisors is an integer number (912573567).

Almost surely, 2^3641213533 is an apocalyptic number.

It is an amenable number.

3641213533 is a deficient number, since it is larger than the sum of its proper divisors (9080735).

3641213533 is an equidigital number, since it uses as much as digits as its factorization.

3641213533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080734.

The product of its digits is 19440, while the sum is 31.

The square root of 3641213533 is about 60342.4687347145. The cubic root of 3641213533 is about 1538.4452646997.

Adding to 3641213533 its reverse (3353121463), we get a palindrome (6994334996).

The spelling of 3641213533 in words is "three billion, six hundred forty-one million, two hundred thirteen thousand, five hundred thirty-three".