3631534632213 has 4 divisors (see below), whose sum is σ = 4842046176288. Its totient is φ = 2421023088140.

The previous prime is 3631534632203. The next prime is 3631534632251. The reversal of 3631534632213 is 3122364351363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3631534632213 - 2⁴ = 3631534632197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3631534632203) 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, 605255772033 + ... + 605255772038.

It is an arithmetic number, because the mean of its divisors is an integer number (1210511544072).

Almost surely, 2^{3631534632213} is an apocalyptic number.

It is an amenable number.

3631534632213 is a deficient number, since it is larger than the sum of its proper divisors (1210511544075).

3631534632213 is a wasteful number, since it uses less digits than its factorization.

3631534632213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210511544074.

The product of its digits is 699840, while the sum is 42.

Adding to 3631534632213 its reverse (3122364351363), we get a palindrome (6753898983576).

The spelling of 3631534632213 in words is "three trillion, six hundred thirty-one billion, five hundred thirty-four million, six hundred thirty-two thousand, two hundred thirteen".