9665629417 has 2 divisors, whose sum is σ = 9665629418. Its totient is φ = 9665629416.

The previous prime is 9665629387. The next prime is 9665629447. The reversal of 9665629417 is 7149265669.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9665629387) and next prime (9665629447).

It can be written as a sum of positive squares in only one way, i.e., 8204555241 + 1461074176 = 90579^2 + 38224^2 .

It is a cyclic number.

It is not a de Polignac number, because 9665629417 - 2¹⁵ = 9665596649 is a prime.

It is not a weakly prime, because it can be changed into another prime (9665629447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832814708 + 4832814709.

It is an arithmetic number, because the mean of its divisors is an integer number (4832814709).

Almost surely, 2^9665629417 is an apocalyptic number.

It is an amenable number.

9665629417 is a deficient number, since it is larger than the sum of its proper divisors (1).

9665629417 is an equidigital number, since it uses as much as digits as its factorization.

9665629417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 55.

The square root of 9665629417 is about 98313.9329749349. The cubic root of 9665629417 is about 2130.1493144756.

The spelling of 9665629417 in words is "nine billion, six hundred sixty-five million, six hundred twenty-nine thousand, four hundred seventeen".