499999417117 has 2 divisors, whose sum is σ = 499999417118. Its totient is φ = 499999417116.

The previous prime is 499999417111. The next prime is 499999417171. The reversal of 499999417117 is 711714999994.

Together with next prime (499999417171) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329451892441 + 170547524676 = 573979^2 + 412974^2 .

It is a cyclic number.

It is not a de Polignac number, because 499999417117 - 2³ = 499999417109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499999417111) 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, 249999708558 + 249999708559.

It is an arithmetic number, because the mean of its divisors is an integer number (249999708559).

Almost surely, 2^499999417117 is an apocalyptic number.

It is an amenable number.

499999417117 is a deficient number, since it is larger than the sum of its proper divisors (1).

499999417117 is an equidigital number, since it uses as much as digits as its factorization.

499999417117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46294416, while the sum is 70.

The spelling of 499999417117 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, four hundred seventeen thousand, one hundred seventeen".