3635063213 has 4 divisors (see below), whose sum is σ = 3667232028. Its totient is φ = 3602894400.

The previous prime is 3635063197. The next prime is 3635063291. The reversal of 3635063213 is 3123605363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3123605363 = 647 ⋅4827829.

It can be written as a sum of positive squares in 2 ways, for example, as 18003049 + 3617060164 = 4243^2 + 60142^2 .

It is a cyclic number.

It is not a de Polignac number, because 3635063213 - 2⁴ = 3635063197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3635063213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3635063293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16084238 + ... + 16084463.

It is an arithmetic number, because the mean of its divisors is an integer number (916808007).

Almost surely, 2^3635063213 is an apocalyptic number.

It is an amenable number.

3635063213 is a deficient number, since it is larger than the sum of its proper divisors (32168815).

3635063213 is a wasteful number, since it uses less digits than its factorization.

3635063213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32168814.

The product of its (nonzero) digits is 29160, while the sum is 32.

The square root of 3635063213 is about 60291.4854104624. The cubic root of 3635063213 is about 1537.5785881613.

Adding to 3635063213 its reverse (3123605363), we get a palindrome (6758668576).

The spelling of 3635063213 in words is "three billion, six hundred thirty-five million, sixty-three thousand, two hundred thirteen".