504469021345 has 4 divisors (see below), whose sum is σ = 605362825620. Its totient is φ = 403575217072.

The previous prime is 504469021333. The next prime is 504469021391. The reversal of 504469021345 is 543120964405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 386248577121 + 118220444224 = 621489^2 + 343832^2 .

It is a cyclic number.

It is not a de Polignac number, because 504469021345 - 2¹⁵ = 504468988577 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50446902130 + ... + 50446902139.

It is an arithmetic number, because the mean of its divisors is an integer number (151340706405).

Almost surely, 2^504469021345 is an apocalyptic number.

It is an amenable number.

504469021345 is a deficient number, since it is larger than the sum of its proper divisors (100893804275).

504469021345 is a wasteful number, since it uses less digits than its factorization.

504469021345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100893804274.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 504469021345 in words is "five hundred four billion, four hundred sixty-nine million, twenty-one thousand, three hundred forty-five".