9963946611 has 6 divisors (see below), whose sum is σ = 14392367340. Its totient is φ = 6642631068.

The previous prime is 9963946537. The next prime is 9963946691. The reversal of 9963946611 is 1166493699.

9963946611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9963946611 - 2¹⁰ = 9963945587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9963946691) 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 5 ways as a sum of consecutive naturals, for example, 553552581 + ... + 553552598.

It is an arithmetic number, because the mean of its divisors is an integer number (2398727890).

Almost surely, 2^9963946611 is an apocalyptic number.

9963946611 is a deficient number, since it is larger than the sum of its proper divisors (4428420729).

9963946611 is a wasteful number, since it uses less digits than its factorization.

9963946611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107105185 (or 1107105182 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 9963946611 is about 99819.5702805818. The cubic root of 9963946611 is about 2151.8424164580.

The spelling of 9963946611 in words is "nine billion, nine hundred sixty-three million, nine hundred forty-six thousand, six hundred eleven".