9457631539217 has 2 divisors, whose sum is σ = 9457631539218. Its totient is φ = 9457631539216.

The previous prime is 9457631539199. The next prime is 9457631539219. The reversal of 9457631539217 is 7129351367549.

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., 9376278809041 + 81352730176 = 3062071^2 + 285224^2 .

It is a cyclic number.

It is not a de Polignac number, because 9457631539217 - 2¹⁰ = 9457631538193 is a prime.

Together with 9457631539219, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9457631539217.

It is not a weakly prime, because it can be changed into another prime (9457631539219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4728815769608 + 4728815769609.

It is an arithmetic number, because the mean of its divisors is an integer number (4728815769609).

Almost surely, 2^{9457631539217} is an apocalyptic number.

It is an amenable number.

9457631539217 is a deficient number, since it is larger than the sum of its proper divisors (1).

9457631539217 is an equidigital number, since it uses as much as digits as its factorization.

9457631539217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42865200, while the sum is 62.

The spelling of 9457631539217 in words is "nine trillion, four hundred fifty-seven billion, six hundred thirty-one million, five hundred thirty-nine thousand, two hundred seventeen".