499842617 has 2 divisors, whose sum is σ = 499842618. Its totient is φ = 499842616.

The previous prime is 499842613. The next prime is 499842703. The reversal of 499842617 is 716248994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499477801 + 364816 = 22349^2 + 604^2 .

It is a cyclic number.

It is not a de Polignac number, because 499842617 - 2² = 499842613 is a prime.

It is not a weakly prime, because it can be changed into another prime (499842613) 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, 249921308 + 249921309.

It is an arithmetic number, because the mean of its divisors is an integer number (249921309).

Almost surely, 2^499842617 is an apocalyptic number.

It is an amenable number.

499842617 is a deficient number, since it is larger than the sum of its proper divisors (1).

499842617 is an equidigital number, since it uses as much as digits as its factorization.

499842617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 499842617 is about 22357.1603071589. The cubic root of 499842617 is about 793.6172405984.

The spelling of 499842617 in words is "four hundred ninety-nine million, eight hundred forty-two thousand, six hundred seventeen".