63117771273 has 6 divisors (see below), whose sum is σ = 91170114074. Its totient is φ = 42078514176.

The previous prime is 63117771253. The next prime is 63117771287. The reversal of 63117771273 is 37217771136.

63117771273 is a `hidden beast` number, since 631 + 1 + 7 + 7 + 7 + 1 + 2 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47605566969 + 15512204304 = 218187^2 + 124548^2 .

It is not a de Polignac number, because 63117771273 - 2⁹ = 63117770761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63117771253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3506542840 + ... + 3506542857.

Almost surely, 2^63117771273 is an apocalyptic number.

It is an amenable number.

63117771273 is a deficient number, since it is larger than the sum of its proper divisors (28052342801).

63117771273 is a wasteful number, since it uses less digits than its factorization.

63117771273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013085703 (or 7013085700 counting only the distinct ones).

The product of its digits is 259308, while the sum is 45.

The spelling of 63117771273 in words is "sixty-three billion, one hundred seventeen million, seven hundred seventy-one thousand, two hundred seventy-three".