504434020442213 has 4 divisors (see below), whose sum is σ = 504439700262828. Its totient is φ = 504428340621600.

The previous prime is 504434020442173. The next prime is 504434020442221. The reversal of 504434020442213 is 312244020434405.

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 348677679905569 + 155756340536644 = 18672913^2 + 12480238^2 .

It is a cyclic number.

It is not a de Polignac number, because 504434020442213 - 2⁴⁶ = 434065276264549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504434020462213) 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, 2839777088 + ... + 2839954713.

It is an arithmetic number, because the mean of its divisors is an integer number (126109925065707).

Almost surely, 2^{504434020442213} is an apocalyptic number.

It is an amenable number.

504434020442213 is a deficient number, since it is larger than the sum of its proper divisors (5679820615).

504434020442213 is an equidigital number, since it uses as much as digits as its factorization.

504434020442213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679820614.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 504434020442213 its reverse (312244020434405), we get a palindrome (816678040876618).

The spelling of 504434020442213 in words is "five hundred four trillion, four hundred thirty-four billion, twenty million, four hundred forty-two thousand, two hundred thirteen".