505005005493 has 12 divisors (see below), whose sum is σ = 729526701280. Its totient is φ = 336635375976.

The previous prime is 505005005429. The next prime is 505005005621. The reversal of 505005005493 is 394500500505.

505005005493 is a `hidden beast` number, since 50 + 50 + 0 + 500 + 54 + 9 + 3 = 666.

It is not a de Polignac number, because 505005005493 - 2⁶ = 505005005429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505005005423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2793121 + ... + 2968422.

Almost surely, 2^505005005493 is an apocalyptic number.

It is an amenable number.

505005005493 is a deficient number, since it is larger than the sum of its proper divisors (224521695787).

505005005493 is a wasteful number, since it uses less digits than its factorization.

505005005493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771288 (or 5771285 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

Adding to 505005005493 its reverse (394500500505), we get a palindrome (899505505998).

The spelling of 505005005493 in words is "five hundred five billion, five million, five thousand, four hundred ninety-three".