9665101947 has 4 divisors (see below), whose sum is σ = 12886802600. Its totient is φ = 6443401296.

The previous prime is 9665101921. The next prime is 9665101967. The reversal of 9665101947 is 7491015669.

It is a happy number.

9665101947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9665101947 - 2²² = 9660907643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9665101896 and 9665101905.

It is not an unprimeable number, because it can be changed into a prime (9665101967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610850322 + ... + 1610850327.

It is an arithmetic number, because the mean of its divisors is an integer number (3221700650).

Almost surely, 2^9665101947 is an apocalyptic number.

9665101947 is a deficient number, since it is larger than the sum of its proper divisors (3221700653).

9665101947 is a wasteful number, since it uses less digits than its factorization.

9665101947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221700652.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 9665101947 is about 98311.2503582372. The cubic root of 9665101947 is about 2130.1105651350.

The spelling of 9665101947 in words is "nine billion, six hundred sixty-five million, one hundred one thousand, nine hundred forty-seven".