63081022689 has 24 divisors (see below), whose sum is σ = 93813311592. Its totient is φ = 40819994880.

The previous prime is 63081022679. The next prime is 63081022709. The reversal of 63081022689 is 98622018036.

63081022689 is a `hidden beast` number, since 630 + 8 + 1 + 0 + 2 + 2 + 6 + 8 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25032619089 + 38048403600 = 158217^2 + 195060^2 .

It is not a de Polignac number, because 63081022689 - 2¹⁷ = 63080891617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63081022619) 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 23 ways as a sum of consecutive naturals, for example, 361194 + ... + 506579.

It is an arithmetic number, because the mean of its divisors is an integer number (3908887983).

Almost surely, 2^63081022689 is an apocalyptic number.

It is an amenable number.

63081022689 is a deficient number, since it is larger than the sum of its proper divisors (30732288903).

63081022689 is a wasteful number, since it uses less digits than its factorization.

63081022689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868017 (or 868014 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 63081022689 in words is "sixty-three billion, eighty-one million, twenty-two thousand, six hundred eighty-nine".