490329819209 has 2 divisors, whose sum is σ = 490329819210. Its totient is φ = 490329819208.

The previous prime is 490329819181. The next prime is 490329819257. The reversal of 490329819209 is 902918923094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319843409209 + 170486410000 = 565547^2 + 412900^2 .

It is a cyclic number.

It is not a de Polignac number, because 490329819209 - 2¹² = 490329815113 is a prime.

It is not a weakly prime, because it can be changed into another prime (490329879209) 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, 245164909604 + 245164909605.

It is an arithmetic number, because the mean of its divisors is an integer number (245164909605).

Almost surely, 2^490329819209 is an apocalyptic number.

It is an amenable number.

490329819209 is a deficient number, since it is larger than the sum of its proper divisors (1).

490329819209 is an equidigital number, since it uses as much as digits as its factorization.

490329819209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 490329819209 in words is "four hundred ninety billion, three hundred twenty-nine million, eight hundred nineteen thousand, two hundred nine".