9741691 has 2 divisors, whose sum is σ = 9741692. Its totient is φ = 9741690.

The previous prime is 9741689. The next prime is 9741701. The reversal of 9741691 is 1961479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9741691 - 2¹ = 9741689 is a prime.

Together with 9741689, it forms a pair of twin primes.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 9741691.

It is not a weakly prime, because it can be changed into another prime (9741791) 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 as a sum of consecutive naturals, namely, 4870845 + 4870846.

It is an arithmetic number, because the mean of its divisors is an integer number (4870846).

Almost surely, 2^9741691 is an apocalyptic number.

9741691 is a deficient number, since it is larger than the sum of its proper divisors (1).

9741691 is an equidigital number, since it uses as much as digits as its factorization.

9741691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 37.

The square root of 9741691 is about 3121.1682107826. The cubic root of 9741691 is about 213.5722304770.

The spelling of 9741691 in words is "nine million, seven hundred forty-one thousand, six hundred ninety-one".