9420672617 has 2 divisors, whose sum is σ = 9420672618. Its totient is φ = 9420672616.

The previous prime is 9420672577. The next prime is 9420672619. The reversal of 9420672617 is 7162760249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9409776016 + 10896601 = 97004^2 + 3301^2 .

It is a cyclic number.

It is not a de Polignac number, because 9420672617 - 2¹⁸ = 9420410473 is a prime.

Together with 9420672619, 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 (9420672619) 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, 4710336308 + 4710336309.

It is an arithmetic number, because the mean of its divisors is an integer number (4710336309).

Almost surely, 2^9420672617 is an apocalyptic number.

It is an amenable number.

9420672617 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420672617 is an equidigital number, since it uses as much as digits as its factorization.

9420672617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 9420672617 is about 97060.1494795882. The cubic root of 9420672617 is about 2112.0002756764. Note that the first 3 decimals are identical.

The spelling of 9420672617 in words is "nine billion, four hundred twenty million, six hundred seventy-two thousand, six hundred seventeen".