9487342817 has 2 divisors, whose sum is σ = 9487342818. Its totient is φ = 9487342816.

The previous prime is 9487342793. The next prime is 9487342913. The reversal of 9487342817 is 7182437849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8342264896 + 1145077921 = 91336^2 + 33839^2 .

It is an emirp because it is prime and its reverse (7182437849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9487342817 - 2²² = 9483148513 is a prime.

It is not a weakly prime, because it can be changed into another prime (9487342217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4743671408 + 4743671409.

It is an arithmetic number, because the mean of its divisors is an integer number (4743671409).

Almost surely, 2^9487342817 is an apocalyptic number.

It is an amenable number.

9487342817 is a deficient number, since it is larger than the sum of its proper divisors (1).

9487342817 is an equidigital number, since it uses as much as digits as its factorization.

9487342817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 53.

The square root of 9487342817 is about 97402.9918277668. The cubic root of 9487342817 is about 2116.9707847182.

The spelling of 9487342817 in words is "nine billion, four hundred eighty-seven million, three hundred forty-two thousand, eight hundred seventeen".