63955659119472 has 200 divisors, whose sum is σ = 189689004689184. Its totient is φ = 20795408764416.

The previous prime is 63955659119431. The next prime is 63955659119477. The reversal of 63955659119472 is 27491195655936.

63955659119472 is a `hidden beast` number, since 6 + 3 + 9 + 5 + 5 + 65 + 91 + 1 + 9 + 472 = 666.

It is a super-2 number, since 2×63955659119472² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 63955659119472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63955659119477) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9191973 + ... + 14574075.

Almost surely, 2^{63955659119472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63955659119472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94844502344592).

63955659119472 is an abundant number, since it is smaller than the sum of its proper divisors (125733345569712).

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

63955659119472 is a wasteful number, since it uses less digits than its factorization.

63955659119472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382349 (or 5382334 counting only the distinct ones).

The product of its digits is 551124000, while the sum is 72.

The spelling of 63955659119472 in words is "sixty-three trillion, nine hundred fifty-five billion, six hundred fifty-nine million, one hundred nineteen thousand, four hundred seventy-two".