505213012363 has 4 divisors (see below), whose sum is σ = 515962225440. Its totient is φ = 494463799288.

The previous prime is 505213012319. The next prime is 505213012429. The reversal of 505213012363 is 363210312505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505213012363 - 2³⁷ = 367774058891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505213012463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5374606468 + ... + 5374606561.

It is an arithmetic number, because the mean of its divisors is an integer number (128990556360).

Almost surely, 2^505213012363 is an apocalyptic number.

505213012363 is a deficient number, since it is larger than the sum of its proper divisors (10749213077).

505213012363 is a wasteful number, since it uses less digits than its factorization.

505213012363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10749213076.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 505213012363 its reverse (363210312505), we get a palindrome (868423324868).

It can be divided in two parts, 50521301 and 2363, that added together give a square (50523664 = 7108²).

The spelling of 505213012363 in words is "five hundred five billion, two hundred thirteen million, twelve thousand, three hundred sixty-three".