505363042999 has 2 divisors, whose sum is σ = 505363043000. Its totient is φ = 505363042998.

The previous prime is 505363042997. The next prime is 505363043027. The reversal of 505363042999 is 999240363505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505363042999 - 2¹ = 505363042997 is a prime.

Together with 505363042997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505363042997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252681521499 + 252681521500.

It is an arithmetic number, because the mean of its divisors is an integer number (252681521500).

Almost surely, 2^505363042999 is an apocalyptic number.

505363042999 is a deficient number, since it is larger than the sum of its proper divisors (1).

505363042999 is an equidigital number, since it uses as much as digits as its factorization.

505363042999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7873200, while the sum is 55.

The spelling of 505363042999 in words is "five hundred five billion, three hundred sixty-three million, forty-two thousand, nine hundred ninety-nine".