500553458809 has 2 divisors, whose sum is σ = 500553458810. Its totient is φ = 500553458808.

The previous prime is 500553458791. The next prime is 500553458843. The reversal of 500553458809 is 908854355005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472892779584 + 27660679225 = 687672^2 + 166315^2 .

It is a cyclic number.

It is not a de Polignac number, because 500553458809 - 2¹⁹ = 500552934521 is a prime.

It is not a weakly prime, because it can be changed into another prime (500553458879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250276729404 + 250276729405.

It is an arithmetic number, because the mean of its divisors is an integer number (250276729405).

Almost surely, 2^500553458809 is an apocalyptic number.

It is an amenable number.

500553458809 is a deficient number, since it is larger than the sum of its proper divisors (1).

500553458809 is an equidigital number, since it uses as much as digits as its factorization.

500553458809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320000, while the sum is 52.

The spelling of 500553458809 in words is "five hundred billion, five hundred fifty-three million, four hundred fifty-eight thousand, eight hundred nine".