63085688681 has 16 divisors (see below), whose sum is σ = 65892930240. Its totient is φ = 60340230720.

The previous prime is 63085688641. The next prime is 63085688693. The reversal of 63085688681 is 18688658036.

It is a cyclic number.

It is not a de Polignac number, because 63085688681 - 2¹⁰ = 63085687657 is a prime.

It is a super-2 number, since 2×63085688681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63085688681.

It is not an unprimeable number, because it can be changed into a prime (63085688641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191275 + ... + 1243103.

It is an arithmetic number, because the mean of its divisors is an integer number (4118308140).

Almost surely, 2^63085688681 is an apocalyptic number.

It is an amenable number.

63085688681 is a deficient number, since it is larger than the sum of its proper divisors (2807241559).

63085688681 is a wasteful number, since it uses less digits than its factorization.

63085688681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52424.

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 63085688681 in words is "sixty-three billion, eighty-five million, six hundred eighty-eight thousand, six hundred eighty-one".