504844606349 has 4 divisors (see below), whose sum is σ = 509843067900. Its totient is φ = 499846144800.

The previous prime is 504844606327. The next prime is 504844606391. The reversal of 504844606349 is 943606448405.

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 241719722500 + 263124883849 = 491650^2 + 512957^2 .

It is a cyclic number.

It is not a de Polignac number, because 504844606349 - 2³² = 500549639053 is a prime.

It is a super-2 number, since 2×504844606349² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504844606349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504844606309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2499230624 + ... + 2499230825.

It is an arithmetic number, because the mean of its divisors is an integer number (127460766975).

Almost surely, 2^504844606349 is an apocalyptic number.

It is an amenable number.

504844606349 is a deficient number, since it is larger than the sum of its proper divisors (4998461551).

504844606349 is a wasteful number, since it uses less digits than its factorization.

504844606349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998461550.

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 504844606349 in words is "five hundred four billion, eight hundred forty-four million, six hundred six thousand, three hundred forty-nine".