9476691689 has 2 divisors, whose sum is σ = 9476691690. Its totient is φ = 9476691688.

The previous prime is 9476691677. The next prime is 9476691691. The reversal of 9476691689 is 9861966749.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8190250000 + 1286441689 = 90500^2 + 35867^2 .

It is a cyclic number.

It is not a de Polignac number, because 9476691689 - 2⁴ = 9476691673 is a prime.

Together with 9476691691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9476691619) 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 as a sum of consecutive naturals, namely, 4738345844 + 4738345845.

It is an arithmetic number, because the mean of its divisors is an integer number (4738345845).

Almost surely, 2^9476691689 is an apocalyptic number.

It is an amenable number.

9476691689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9476691689 is an equidigital number, since it uses as much as digits as its factorization.

9476691689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 65.

The square root of 9476691689 is about 97348.3009045356. The cubic root of 9476691689 is about 2116.1782702241.

The spelling of 9476691689 in words is "nine billion, four hundred seventy-six million, six hundred ninety-one thousand, six hundred eighty-nine".