504961440605 has 8 divisors (see below), whose sum is σ = 606001469112. Its totient is φ = 403937325568.

The previous prime is 504961440563. The next prime is 504961440619. The reversal of 504961440605 is 506044169405.

It can be written as a sum of positive squares in 4 ways, for example, as 333799684516 + 171161756089 = 577754^2 + 413717^2 .

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 504961440605 - 2¹⁴ = 504961424221 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3908444 + ... + 4035573.

It is an arithmetic number, because the mean of its divisors is an integer number (75750183639).

Almost surely, 2^504961440605 is an apocalyptic number.

It is an amenable number.

504961440605 is a deficient number, since it is larger than the sum of its proper divisors (101040028507).

504961440605 is a wasteful number, since it uses less digits than its factorization.

504961440605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7956735.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 504961440605 in words is "five hundred four billion, nine hundred sixty-one million, four hundred forty thousand, six hundred five".