63688822713 has 24 divisors (see below), whose sum is σ = 92208672192. Its totient is φ = 42360690528.

The previous prime is 63688822669. The next prime is 63688822739. The reversal of 63688822713 is 31722888636.

63688822713 is a `hidden beast` number, since 6 + 368 + 8 + 8 + 2 + 271 + 3 = 666.

It is not a de Polignac number, because 63688822713 - 2⁹ = 63688822201 is a prime.

It is a super-2 number, since 2×63688822713² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63688822713.

It is not an unprimeable number, because it can be changed into a prime (63688822793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9331020 + ... + 9337842.

It is an arithmetic number, because the mean of its divisors is an integer number (3842028008).

Almost surely, 2^63688822713 is an apocalyptic number.

It is an amenable number.

63688822713 is a deficient number, since it is larger than the sum of its proper divisors (28519849479).

63688822713 is a wasteful number, since it uses less digits than its factorization.

63688822713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085 (or 9082 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 63688822713 in words is "sixty-three billion, six hundred eighty-eight million, eight hundred twenty-two thousand, seven hundred thirteen".