490596493 has 2 divisors, whose sum is σ = 490596494. Its totient is φ = 490596492.

The previous prime is 490596479. The next prime is 490596517. The reversal of 490596493 is 394695094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490268164 + 328329 = 22142^2 + 573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490596493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490596413) 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, 245298246 + 245298247.

It is an arithmetic number, because the mean of its divisors is an integer number (245298247).

Almost surely, 2^490596493 is an apocalyptic number.

It is an amenable number.

490596493 is a deficient number, since it is larger than the sum of its proper divisors (1).

490596493 is an equidigital number, since it uses as much as digits as its factorization.

490596493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 490596493 is about 22149.4129267572. The cubic root of 490596493 is about 788.6932908630.

The spelling of 490596493 in words is "four hundred ninety million, five hundred ninety-six thousand, four hundred ninety-three".