9663712055 has 4 divisors (see below), whose sum is σ = 11596454472. Its totient is φ = 7730969640.

The previous prime is 9663712031. The next prime is 9663712061. The reversal of 9663712055 is 5502173669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5502173669 = 569 ⋅9669901.

It is not a de Polignac number, because 9663712055 - 2⁶ = 9663711991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9663711997 and 9663712015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966371201 + ... + 966371210.

It is an arithmetic number, because the mean of its divisors is an integer number (2899113618).

Almost surely, 2^9663712055 is an apocalyptic number.

9663712055 is a deficient number, since it is larger than the sum of its proper divisors (1932742417).

9663712055 is a wasteful number, since it uses less digits than its factorization.

9663712055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932742416.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 9663712055 is about 98304.1812691607. The cubic root of 9663712055 is about 2130.0084532422.

The spelling of 9663712055 in words is "nine billion, six hundred sixty-three million, seven hundred twelve thousand, fifty-five".