499128859 has 2 divisors, whose sum is σ = 499128860. Its totient is φ = 499128858.

The previous prime is 499128809. The next prime is 499128871. The reversal of 499128859 is 958821994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499128859 - 2¹³ = 499120667 is a prime.

It is not a weakly prime, because it can be changed into another prime (499128809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249564429 + 249564430.

It is an arithmetic number, because the mean of its divisors is an integer number (249564430).

Almost surely, 2^499128859 is an apocalyptic number.

499128859 is a deficient number, since it is larger than the sum of its proper divisors (1).

499128859 is an equidigital number, since it uses as much as digits as its factorization.

499128859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 55.

The square root of 499128859 is about 22341.1919780481. The cubic root of 499128859 is about 793.2393079764.

The spelling of 499128859 in words is "four hundred ninety-nine million, one hundred twenty-eight thousand, eight hundred fifty-nine".