63763385906 has 16 divisors (see below), whose sum is σ = 104416129728. Its totient is φ = 28962234000.

The previous prime is 63763385899. The next prime is 63763385941. The reversal of 63763385906 is 60958336736.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025270 + ... + 1085681.

It is an arithmetic number, because the mean of its divisors is an integer number (6526008108).

Almost surely, 2^63763385906 is an apocalyptic number.

63763385906 is a deficient number, since it is larger than the sum of its proper divisors (40652743822).

63763385906 is a wasteful number, since it uses less digits than its factorization.

63763385906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112337.

The product of its (nonzero) digits is 14696640, while the sum is 56.

The spelling of 63763385906 in words is "sixty-three billion, seven hundred sixty-three million, three hundred eighty-five thousand, nine hundred six".