636303063342 has 64 divisors (see below), whose sum is σ = 1287718041600. Its totient is φ = 209599143936.

The previous prime is 636303063329. The next prime is 636303063359. The reversal of 636303063342 is 243360303636.

It is a self number, because there is not a number n which added to its sum of digits gives 636303063342.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 304887823 + ... + 304889909.

It is an arithmetic number, because the mean of its divisors is an integer number (20120594400).

Almost surely, 2^636303063342 is an apocalyptic number.

636303063342 is an abundant number, since it is smaller than the sum of its proper divisors (651414978258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

636303063342 is a wasteful number, since it uses less digits than its factorization.

636303063342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825.

The product of its (nonzero) digits is 419904, while the sum is 39.

Adding to 636303063342 its reverse (243360303636), we get a palindrome (879663366978).

The spelling of 636303063342 in words is "six hundred thirty-six billion, three hundred three million, sixty-three thousand, three hundred forty-two".