505035336959971 has 2 divisors, whose sum is σ = 505035336959972. Its totient is φ = 505035336959970.

The previous prime is 505035336959963. The next prime is 505035336960041. The reversal of 505035336959971 is 179959633530505.

It is an a-pointer prime, because the next prime (505035336960041) can be obtained adding 505035336959971 to its sum of digits (70).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505035336959971 - 2³ = 505035336959963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505035336959971.

It is not a weakly prime, because it can be changed into another prime (505035336959921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252517668479985 + 252517668479986.

It is an arithmetic number, because the mean of its divisors is an integer number (252517668479986).

Almost surely, 2^{505035336959971} is an apocalyptic number.

505035336959971 is a deficient number, since it is larger than the sum of its proper divisors (1).

505035336959971 is an equidigital number, since it uses as much as digits as its factorization.

505035336959971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516678750, while the sum is 70.

The spelling of 505035336959971 in words is "five hundred five trillion, thirty-five billion, three hundred thirty-six million, nine hundred fifty-nine thousand, nine hundred seventy-one".