9999463129217 has 2 divisors, whose sum is σ = 9999463129218. Its totient is φ = 9999463129216.

The previous prime is 9999463129207. The next prime is 9999463129231. The reversal of 9999463129217 is 7129213649999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9998743602241 + 719526976 = 3162079^2 + 26824^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999463129217 - 2⁶ = 9999463129153 is a prime.

It is not a weakly prime, because it can be changed into another prime (9999463129207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999731564608 + 4999731564609.

It is an arithmetic number, because the mean of its divisors is an integer number (4999731564609).

Almost surely, 2^{9999463129217} is an apocalyptic number.

It is an amenable number.

9999463129217 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999463129217 is an equidigital number, since it uses as much as digits as its factorization.

9999463129217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119042784, while the sum is 71.

The spelling of 9999463129217 in words is "nine trillion, nine hundred ninety-nine billion, four hundred sixty-three million, one hundred twenty-nine thousand, two hundred seventeen".