63963465064 has 16 divisors (see below), whose sum is σ = 119941804800. Its totient is φ = 31978983792.

The previous prime is 63963465053. The next prime is 63963465089. The reversal of 63963465064 is 46056436936.

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, 242962 + ... + 432385.

It is an arithmetic number, because the mean of its divisors is an integer number (7496362800).

Almost surely, 2^63963465064 is an apocalyptic number.

It is an amenable number.

63963465064 is a deficient number, since it is larger than the sum of its proper divisors (55978339736).

63963465064 is a wasteful number, since it uses less digits than its factorization.

63963465064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687192 (or 687188 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 52.

The spelling of 63963465064 in words is "sixty-three billion, nine hundred sixty-three million, four hundred sixty-five thousand, sixty-four".