63930819552 has 96 divisors (see below), whose sum is σ = 168648480000. Its totient is φ = 21205137408.

The previous prime is 63930819539. The next prime is 63930819553. The reversal of 63930819552 is 25591803936.

63930819552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 63930819495 and 63930819504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63930819553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19377199 + ... + 19380497.

It is an arithmetic number, because the mean of its divisors is an integer number (1756755000).

Almost surely, 2^63930819552 is an apocalyptic number.

It is an amenable number.

63930819552 is an abundant number, since it is smaller than the sum of its proper divisors (104717660448).

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

63930819552 is a wasteful number, since it uses less digits than its factorization.

63930819552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248 (or 4240 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 63930819552 in words is "sixty-three billion, nine hundred thirty million, eight hundred nineteen thousand, five hundred fifty-two".