490819213 has 2 divisors, whose sum is σ = 490819214. Its totient is φ = 490819212.

The previous prime is 490819183. The next prime is 490819327. The reversal of 490819213 is 312918094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310534884 + 180284329 = 17622^2 + 13427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490819213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490817213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245409606 + 245409607.

It is an arithmetic number, because the mean of its divisors is an integer number (245409607).

Almost surely, 2^490819213 is an apocalyptic number.

It is an amenable number.

490819213 is a deficient number, since it is larger than the sum of its proper divisors (1).

490819213 is an equidigital number, since it uses as much as digits as its factorization.

490819213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 490819213 is about 22154.4400290326. The cubic root of 490819213 is about 788.8126225999.

The spelling of 490819213 in words is "four hundred ninety million, eight hundred nineteen thousand, two hundred thirteen".