63239454336 has 32 divisors (see below), whose sum is σ = 167979801600. Its totient is φ = 21079817984.

The previous prime is 63239454323. The next prime is 63239454347. The reversal of 63239454336 is 63345493236.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82342656 + ... + 82343423.

It is an arithmetic number, because the mean of its divisors is an integer number (5249368800).

Almost surely, 2^63239454336 is an apocalyptic number.

It is an amenable number.

63239454336 is an abundant number, since it is smaller than the sum of its proper divisors (104740347264).

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

63239454336 is a wasteful number, since it uses less digits than its factorization.

63239454336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164686096 (or 164686084 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 48.

The spelling of 63239454336 in words is "sixty-three billion, two hundred thirty-nine million, four hundred fifty-four thousand, three hundred thirty-six".