506501221330019 has 2 divisors, whose sum is σ = 506501221330020. Its totient is φ = 506501221330018.

The previous prime is 506501221330009. The next prime is 506501221330031. The reversal of 506501221330019 is 910033122105605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506501221330019 - 2⁴⁰ = 505401709702243 is a prime.

It is a super-2 number, since 2×506501221330019² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (506501221330009) 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, 253250610665009 + 253250610665010.

It is an arithmetic number, because the mean of its divisors is an integer number (253250610665010).

Almost surely, 2^{506501221330019} is an apocalyptic number.

506501221330019 is a deficient number, since it is larger than the sum of its proper divisors (1).

506501221330019 is an equidigital number, since it uses as much as digits as its factorization.

506501221330019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 506501221330019 in words is "five hundred six trillion, five hundred one billion, two hundred twenty-one million, three hundred thirty thousand, nineteen".