63623732838336 has 672 divisors, whose sum is σ = 213814198817280. Its totient is φ = 18394822656000.

The previous prime is 63623732838331. The next prime is 63623732838373. The reversal of 63623732838336 is 63383823732636.

63623732838336 is a `hidden beast` number, since 6 + 3 + 6 + 237 + 32 + 8 + 38 + 336 = 666.

It is a super-2 number, since 2×63623732838336² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63623732838331) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1296910320 + ... + 1296959376.

Almost surely, 2^{63623732838336} is an apocalyptic number.

63623732838336 is a gapful number since it is divisible by the number (66) 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 63623732838336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106907099408640).

63623732838336 is an abundant number, since it is smaller than the sum of its proper divisors (150190465978944).

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

63623732838336 is a wasteful number, since it uses less digits than its factorization.

63623732838336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49222 (or 49175 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 63.

The spelling of 63623732838336 in words is "sixty-three trillion, six hundred twenty-three billion, seven hundred thirty-two million, eight hundred thirty-eight thousand, three hundred thirty-six".