63421441548 has 24 divisors (see below), whose sum is σ = 151592715120. Its totient is φ = 20624858880.

The previous prime is 63421441541. The next prime is 63421441549. The reversal of 63421441548 is 84514412436.

It is not an unprimeable number, because it can be changed into a prime (63421441541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64452193 + ... + 64453176.

It is an arithmetic number, because the mean of its divisors is an integer number (6316363130).

Almost surely, 2^63421441548 is an apocalyptic number.

It is an amenable number.

63421441548 is an abundant number, since it is smaller than the sum of its proper divisors (88171273572).

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

63421441548 is a wasteful number, since it uses less digits than its factorization.

63421441548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128905417 (or 128905415 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The spelling of 63421441548 in words is "sixty-three billion, four hundred twenty-one million, four hundred forty-one thousand, five hundred forty-eight".