505533313245 has 16 divisors (see below), whose sum is σ = 816273976320. Its totient is φ = 267144208704.

The previous prime is 505533313199. The next prime is 505533313249. The reversal of 505533313245 is 542313335505.

It is not a de Polignac number, because 505533313245 - 2⁹ = 505533312733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505533313249) 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 15 ways as a sum of consecutive naturals, for example, 154595709 + ... + 154598978.

It is an arithmetic number, because the mean of its divisors is an integer number (51017123520).

Almost surely, 2^505533313245 is an apocalyptic number.

It is an amenable number.

505533313245 is a deficient number, since it is larger than the sum of its proper divisors (310740663075).

505533313245 is a wasteful number, since it uses less digits than its factorization.

505533313245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309194804.

The product of its (nonzero) digits is 405000, while the sum is 39.

The spelling of 505533313245 in words is "five hundred five billion, five hundred thirty-three million, three hundred thirteen thousand, two hundred forty-five".