9969137 has 2 divisors, whose sum is σ = 9969138. Its totient is φ = 9969136.

The previous prime is 9969133. The next prime is 9969151. The reversal of 9969137 is 7319699.

It is a happy number.

9969137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5973136 + 3996001 = 2444^2 + 1999^2 .

It is an emirp because it is prime and its reverse (7319699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9969137 - 2² = 9969133 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9969133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984568 + 4984569.

It is an arithmetic number, because the mean of its divisors is an integer number (4984569).

Almost surely, 2^9969137 is an apocalyptic number.

It is an amenable number.

9969137 is a deficient number, since it is larger than the sum of its proper divisors (1).

9969137 is an equidigital number, since it uses as much as digits as its factorization.

9969137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 44.

The square root of 9969137 is about 3157.3940203909. The cubic root of 9969137 is about 215.2215995350.

The spelling of 9969137 in words is "nine million, nine hundred sixty-nine thousand, one hundred thirty-seven".