504738945 has 48 divisors (see below), whose sum is σ = 928479552. Its totient is φ = 262906560.

The previous prime is 504738943. The next prime is 504738967. The reversal of 504738945 is 549837405.

It is not a de Polignac number, because 504738945 - 2¹ = 504738943 is a prime.

It is a super-2 number, since 2×504738945² = 509522805199426050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 504738945.

It is not an unprimeable number, because it can be changed into a prime (504738943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47415 + ... + 57075.

It is an arithmetic number, because the mean of its divisors is an integer number (19343324).

Almost surely, 2^504738945 is an apocalyptic number.

It is an amenable number.

504738945 is a deficient number, since it is larger than the sum of its proper divisors (423740607).

504738945 is an equidigital number, since it uses as much as digits as its factorization.

504738945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9724 (or 9712 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 504738945 is about 22466.3959058858. The cubic root of 504738945 is about 796.2001808136.

The spelling of 504738945 in words is "five hundred four million, seven hundred thirty-eight thousand, nine hundred forty-five".