63223429618944 has 648 divisors, whose sum is σ = 214636229196480. Its totient is φ = 17843929399296.

The previous prime is 63223429618939. The next prime is 63223429618957. The reversal of 63223429618944 is 44981692432236.

63223429618944 is a `hidden beast` number, since 6 + 3 + 2 + 2 + 3 + 4 + 2 + 9 + 618 + 9 + 4 + 4 = 666.

It is a super-2 number, since 2×63223429618944² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13735263747 + ... + 13735268349.

It is an arithmetic number, because the mean of its divisors is an integer number (331228748760).

Almost surely, 2^{63223429618944} is an apocalyptic number.

63223429618944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63223429618944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107318114598240).

63223429618944 is an abundant number, since it is smaller than the sum of its proper divisors (151412799577536).

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

63223429618944 is a wasteful number, since it uses less digits than its factorization.

63223429618944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095 (or 6071 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 63.

The spelling of 63223429618944 in words is "sixty-three trillion, two hundred twenty-three billion, four hundred twenty-nine million, six hundred eighteen thousand, nine hundred forty-four".