490499543 has 2 divisors, whose sum is σ = 490499544. Its totient is φ = 490499542.

The previous prime is 490499519. The next prime is 490499549. The reversal of 490499543 is 345994094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490499543 - 2⁶ = 490499479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490499549) 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, 245249771 + 245249772.

It is an arithmetic number, because the mean of its divisors is an integer number (245249772).

Almost surely, 2^490499543 is an apocalyptic number.

490499543 is a deficient number, since it is larger than the sum of its proper divisors (1).

490499543 is an equidigital number, since it uses as much as digits as its factorization.

490499543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 490499543 is about 22147.2242730325. The cubic root of 490499543 is about 788.6413344840.

The spelling of 490499543 in words is "four hundred ninety million, four hundred ninety-nine thousand, five hundred forty-three".