63918822850036 has 24 divisors (see below), whose sum is σ = 139459249855296. Its totient is φ = 24903437473920.

The previous prime is 63918822850031. The next prime is 63918822850039. The reversal of 63918822850036 is 63005822881936.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63918822850031) 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, 103764322501 + ... + 103764323116.

It is an arithmetic number, because the mean of its divisors is an integer number (5810802077304).

Almost surely, 2^{63918822850036} is an apocalyptic number.

It is an amenable number.

63918822850036 is an abundant number, since it is smaller than the sum of its proper divisors (75540427005260).

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

63918822850036 is a wasteful number, since it uses less digits than its factorization.

63918822850036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207528645639 (or 207528645637 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 63918822850036 in words is "sixty-three trillion, nine hundred eighteen billion, eight hundred twenty-two million, eight hundred fifty thousand, thirty-six".