63613031620211 has 8 divisors (see below), whose sum is σ = 68921369416944. Its totient is φ = 58478737685760.

The previous prime is 63613031620199. The next prime is 63613031620261. The reversal of 63613031620211 is 11202613031636.

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

It is a cyclic number.

It is not a de Polignac number, because 63613031620211 - 2⁶ = 63613031620147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63613031620261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43510964810 + ... + 43510966271.

It is an arithmetic number, because the mean of its divisors is an integer number (8615171177118).

Almost surely, 2^{63613031620211} is an apocalyptic number.

63613031620211 is a deficient number, since it is larger than the sum of its proper divisors (5308337796733).

63613031620211 is a wasteful number, since it uses less digits than its factorization.

63613031620211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87021931141.

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 63613031620211 its reverse (11202613031636), we get a palindrome (74815644651847).

The spelling of 63613031620211 in words is "sixty-three trillion, six hundred thirteen billion, thirty-one million, six hundred twenty thousand, two hundred eleven".