505275844321 has 8 divisors (see below), whose sum is σ = 517614789888. Its totient is φ = 492937620000.

The previous prime is 505275844319. The next prime is 505275844349. The reversal of 505275844321 is 123448572505.

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 505275844321 - 2¹ = 505275844319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505275844121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406296 + ... + 1728646.

It is an arithmetic number, because the mean of its divisors is an integer number (64701848736).

Almost surely, 2^505275844321 is an apocalyptic number.

It is an amenable number.

505275844321 is a deficient number, since it is larger than the sum of its proper divisors (12338945567).

505275844321 is a wasteful number, since it uses less digits than its factorization.

505275844321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360623.

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 505275844321 in words is "five hundred five billion, two hundred seventy-five million, eight hundred forty-four thousand, three hundred twenty-one".