9999463129231 has 2 divisors, whose sum is σ = 9999463129232. Its totient is φ = 9999463129230.

The previous prime is 9999463129217. The next prime is 9999463129241. The reversal of 9999463129231 is 1329213649999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9999463129231 - 2²⁹ = 9998926258319 is a prime.

It is a super-2 number, since 2×9999463129231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999463129241) 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, 4999731564615 + 4999731564616.

It is an arithmetic number, because the mean of its divisors is an integer number (4999731564616).

Almost surely, 2^{9999463129231} is an apocalyptic number.

9999463129231 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999463129231 is an equidigital number, since it uses as much as digits as its factorization.

9999463129231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51018336, while the sum is 67.

The spelling of 9999463129231 in words is "nine trillion, nine hundred ninety-nine billion, four hundred sixty-three million, one hundred twenty-nine thousand, two hundred thirty-one".