499689677 has 2 divisors, whose sum is σ = 499689678. Its totient is φ = 499689676.

The previous prime is 499689667. The next prime is 499689689. The reversal of 499689677 is 776986994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 484836361 + 14853316 = 22019^2 + 3854^2 .

It is a cyclic number.

It is not a de Polignac number, because 499689677 - 2¹⁰ = 499688653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499689667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249844838 + 249844839.

It is an arithmetic number, because the mean of its divisors is an integer number (249844839).

Almost surely, 2^499689677 is an apocalyptic number.

It is an amenable number.

499689677 is a deficient number, since it is larger than the sum of its proper divisors (1).

499689677 is an equidigital number, since it uses as much as digits as its factorization.

499689677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41150592, while the sum is 65.

The square root of 499689677 is about 22353.7396647630. The cubic root of 499689677 is about 793.5362896497.

The spelling of 499689677 in words is "four hundred ninety-nine million, six hundred eighty-nine thousand, six hundred seventy-seven".