8545649417 has 2 divisors, whose sum is σ = 8545649418. Its totient is φ = 8545649416.

The previous prime is 8545649401. The next prime is 8545649429. The reversal of 8545649417 is 7149465458.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7858999801 + 686649616 = 88651^2 + 26204^2 .

It is a cyclic number.

It is not a de Polignac number, because 8545649417 - 2⁴ = 8545649401 is a prime.

It is not a weakly prime, because it can be changed into another prime (8545649447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272824708 + 4272824709.

It is an arithmetic number, because the mean of its divisors is an integer number (4272824709).

Almost surely, 2^8545649417 is an apocalyptic number.

It is an amenable number.

8545649417 is a deficient number, since it is larger than the sum of its proper divisors (1).

8545649417 is an equidigital number, since it uses as much as digits as its factorization.

8545649417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 53.

The square root of 8545649417 is about 92442.6817925573. The cubic root of 8545649417 is about 2044.4744649412.

The spelling of 8545649417 in words is "eight billion, five hundred forty-five million, six hundred forty-nine thousand, four hundred seventeen".