505473072646 has 8 divisors (see below), whose sum is σ = 758232296280. Its totient is φ = 252728973888.

The previous prime is 505473072641. The next prime is 505473072667. The reversal of 505473072646 is 646270374505.

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

It is a self number, because there is not a number n which added to its sum of digits gives 505473072646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505473072641) 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, 3697296 + ... + 3831571.

It is an arithmetic number, because the mean of its divisors is an integer number (94779037035).

Almost surely, 2^505473072646 is an apocalyptic number.

505473072646 is a deficient number, since it is larger than the sum of its proper divisors (252759223634).

505473072646 is a wasteful number, since it uses less digits than its factorization.

505473072646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562438.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 505473072646 in words is "five hundred five billion, four hundred seventy-three million, seventy-two thousand, six hundred forty-six".