490503641 has 2 divisors, whose sum is σ = 490503642. Its totient is φ = 490503640.

The previous prime is 490503619. The next prime is 490503649. The reversal of 490503641 is 146305094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489073225 + 1430416 = 22115^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 490503641 - 2⁶ = 490503577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490503598 and 490503607.

It is not a weakly prime, because it can be changed into another prime (490503649) 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, 245251820 + 245251821.

It is an arithmetic number, because the mean of its divisors is an integer number (245251821).

Almost surely, 2^490503641 is an apocalyptic number.

It is an amenable number.

490503641 is a deficient number, since it is larger than the sum of its proper divisors (1).

490503641 is an equidigital number, since it uses as much as digits as its factorization.

490503641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 490503641 is about 22147.3167900764. The cubic root of 490503641 is about 788.6435307777.

The spelling of 490503641 in words is "four hundred ninety million, five hundred three thousand, six hundred forty-one".