490739219 has 2 divisors, whose sum is σ = 490739220. Its totient is φ = 490739218.

The previous prime is 490739213. The next prime is 490739233. The reversal of 490739219 is 912937094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490739219 - 2⁴ = 490739203 is a prime.

It is a super-2 number, since 2×490739219² = 481649962129459922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 490739219.

It is not a weakly prime, because it can be changed into another prime (490739213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245369609 + 245369610.

It is an arithmetic number, because the mean of its divisors is an integer number (245369610).

Almost surely, 2^490739219 is an apocalyptic number.

490739219 is a deficient number, since it is larger than the sum of its proper divisors (1).

490739219 is an equidigital number, since it uses as much as digits as its factorization.

490739219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 490739219 is about 22152.6345837239. The cubic root of 490739219 is about 788.7697665587.

The spelling of 490739219 in words is "four hundred ninety million, seven hundred thirty-nine thousand, two hundred nineteen".