63928065536 has 40 divisors (see below), whose sum is σ = 127755521784. Its totient is φ = 31957964800.

The previous prime is 63928065527. The next prime is 63928065563. The reversal of 63928065536 is 63556082936.

It is a super-2 number, since 2×63928065536² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 4037411 + ... + 4053213.

Almost surely, 2^63928065536 is an apocalyptic number.

It is an amenable number.

63928065536 is a deficient number, since it is larger than the sum of its proper divisors (63827456248).

63928065536 is an equidigital number, since it uses as much as digits as its factorization.

63928065536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23722 (or 23706 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 63928065536 in words is "sixty-three billion, nine hundred twenty-eight million, sixty-five thousand, five hundred thirty-six".