499493179 has 2 divisors, whose sum is σ = 499493180. Its totient is φ = 499493178.

The previous prime is 499493171. The next prime is 499493191. The reversal of 499493179 is 971394994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499493179 - 2³ = 499493171 is a prime.

It is not a weakly prime, because it can be changed into another prime (499493171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249746589 + 249746590.

It is an arithmetic number, because the mean of its divisors is an integer number (249746590).

Almost surely, 2^499493179 is an apocalyptic number.

499493179 is a deficient number, since it is larger than the sum of its proper divisors (1).

499493179 is an equidigital number, since it uses as much as digits as its factorization.

499493179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 55.

The square root of 499493179 is about 22349.3440395910. The cubic root of 499493179 is about 793.4322592587.

The spelling of 499493179 in words is "four hundred ninety-nine million, four hundred ninety-three thousand, one hundred seventy-nine".