9630478217 has 2 divisors, whose sum is σ = 9630478218. Its totient is φ = 9630478216.

The previous prime is 9630478181. The next prime is 9630478229. The reversal of 9630478217 is 7128740369.

9630478217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9626749456 + 3728761 = 98116^2 + 1931^2 .

It is a cyclic number.

It is not a de Polignac number, because 9630478217 - 2⁶ = 9630478153 is a prime.

It is a super-2 number, since 2×9630478217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9630477217) 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, 4815239108 + 4815239109.

It is an arithmetic number, because the mean of its divisors is an integer number (4815239109).

Almost surely, 2^9630478217 is an apocalyptic number.

It is an amenable number.

9630478217 is a deficient number, since it is larger than the sum of its proper divisors (1).

9630478217 is an equidigital number, since it uses as much as digits as its factorization.

9630478217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 9630478217 is about 98134.9999592398. Note that the first 4 decimals coincide. The cubic root of 9630478217 is about 2127.5639247239.

The spelling of 9630478217 in words is "nine billion, six hundred thirty million, four hundred seventy-eight thousand, two hundred seventeen".