63956742163 has 8 divisors (see below), whose sum is σ = 66762113360. Its totient is φ = 61208045280.

The previous prime is 63956742119. The next prime is 63956742211. The reversal of 63956742163 is 36124765936.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63956742163 - 2¹⁷ = 63956611091 is a prime.

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 63956742163.

It is not an unprimeable number, because it can be changed into a prime (63956142163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14166273 + ... + 14170786.

It is an arithmetic number, because the mean of its divisors is an integer number (8345264170).

Almost surely, 2^63956742163 is an apocalyptic number.

63956742163 is a deficient number, since it is larger than the sum of its proper divisors (2805371197).

63956742163 is a wasteful number, since it uses less digits than its factorization.

63956742163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28337157.

The product of its digits is 4898880, while the sum is 52.

The spelling of 63956742163 in words is "sixty-three billion, nine hundred fifty-six million, seven hundred forty-two thousand, one hundred sixty-three".