63302062681 has 16 divisors (see below), whose sum is σ = 74436102720. Its totient is φ = 53072579520.

The previous prime is 63302062669. The next prime is 63302062711. The reversal of 63302062681 is 18626020336.

It is a cyclic number.

It is not a de Polignac number, because 63302062681 - 2⁹ = 63302062169 is a prime.

It is a super-2 number, since 2×63302062681² (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 63302062681.

It is not an unprimeable number, because it can be changed into a prime (63302062661) 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, 40995 + ... + 358168.

It is an arithmetic number, because the mean of its divisors is an integer number (4652256420).

Almost surely, 2^63302062681 is an apocalyptic number.

It is an amenable number.

63302062681 is a deficient number, since it is larger than the sum of its proper divisors (11134040039).

63302062681 is a wasteful number, since it uses less digits than its factorization.

63302062681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400296.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 63302062681 in words is "sixty-three billion, three hundred two million, sixty-two thousand, six hundred eighty-one".