505363043243 has 8 divisors (see below), whose sum is σ = 524137430016. Its totient is φ = 486743178600.

The previous prime is 505363043177. The next prime is 505363043261. The reversal of 505363043243 is 342340363505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505363043243 - 2²⁰ = 505361994667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505363043197 and 505363043206.

It is not an unprimeable number, because it can be changed into a prime (505363040243) 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 in 7 ways as a sum of consecutive naturals, for example, 38623871 + ... + 38636952.

It is an arithmetic number, because the mean of its divisors is an integer number (65517178752).

Almost surely, 2^505363043243 is an apocalyptic number.

505363043243 is a deficient number, since it is larger than the sum of its proper divisors (18774386773).

505363043243 is a wasteful number, since it uses less digits than its factorization.

505363043243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77261065.

The product of its (nonzero) digits is 388800, while the sum is 38.

The spelling of 505363043243 in words is "five hundred five billion, three hundred sixty-three million, forty-three thousand, two hundred forty-three".