63108084621 has 16 divisors (see below), whose sum is σ = 87907484160. Its totient is φ = 40219099200.

The previous prime is 63108084619. The next prime is 63108084643. The reversal of 63108084621 is 12648080136.

It is not a de Polignac number, because 63108084621 - 2¹ = 63108084619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63108084621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63108084601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3582205 + ... + 3599778.

It is an arithmetic number, because the mean of its divisors is an integer number (5494217760).

Almost surely, 2^63108084621 is an apocalyptic number.

It is an amenable number.

63108084621 is a deficient number, since it is larger than the sum of its proper divisors (24799399539).

63108084621 is a wasteful number, since it uses less digits than its factorization.

63108084621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182116.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 63108084621 in words is "sixty-three billion, one hundred eight million, eighty-four thousand, six hundred twenty-one".