504363964249 has 4 divisors (see below), whose sum is σ = 512632226020. Its totient is φ = 496095702480.

The previous prime is 504363964229. The next prime is 504363964261. The reversal of 504363964249 is 942469363405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942469363405 = 5 ⋅188493872681.

It can be written as a sum of positive squares in 2 ways, for example, as 218238465600 + 286125498649 = 467160^2 + 534907^2 .

It is a cyclic number.

It is not a de Polignac number, because 504363964249 - 2⁷ = 504363964121 is a prime.

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 504363964249.

It is not an unprimeable number, because it can be changed into a prime (504363964229) 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, 4134130794 + ... + 4134130915.

It is an arithmetic number, because the mean of its divisors is an integer number (128158056505).

Almost surely, 2^504363964249 is an apocalyptic number.

It is an amenable number.

504363964249 is a deficient number, since it is larger than the sum of its proper divisors (8268261771).

504363964249 is an equidigital number, since it uses as much as digits as its factorization.

504363964249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268261770.

The product of its (nonzero) digits is 16796160, while the sum is 55.

The spelling of 504363964249 in words is "five hundred four billion, three hundred sixty-three million, nine hundred sixty-four thousand, two hundred forty-nine".