63706107113 has 24 divisors (see below), whose sum is σ = 71612440200. Its totient is φ = 56609146880.

The previous prime is 63706107109. The next prime is 63706107121. The reversal of 63706107113 is 31170160736.

It can be written as a sum of positive squares in 4 ways, for example, as 8023322329 + 55682784784 = 89573^2 + 235972^2 .

It is not a de Polignac number, because 63706107113 - 2² = 63706107109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63706107313) 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, 1706633 + ... + 1743561.

It is an arithmetic number, because the mean of its divisors is an integer number (2983851675).

Almost surely, 2^63706107113 is an apocalyptic number.

It is an amenable number.

63706107113 is a deficient number, since it is larger than the sum of its proper divisors (7906333087).

63706107113 is a wasteful number, since it uses less digits than its factorization.

63706107113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37273 (or 37262 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

Adding to 63706107113 its reverse (31170160736), we get a palindrome (94876267849).

The spelling of 63706107113 in words is "sixty-three billion, seven hundred six million, one hundred seven thousand, one hundred thirteen".