505054443473 has 2 divisors, whose sum is σ = 505054443474. Its totient is φ = 505054443472.

The previous prime is 505054443457. The next prime is 505054443529. The reversal of 505054443473 is 374344450505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309944952529 + 195109490944 = 556727^2 + 441712^2 .

It is a cyclic number.

It is not a de Polignac number, because 505054443473 - 2⁴ = 505054443457 is a prime.

It is not a weakly prime, because it can be changed into another prime (505054443433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252527221736 + 252527221737.

It is an arithmetic number, because the mean of its divisors is an integer number (252527221737).

Almost surely, 2^505054443473 is an apocalyptic number.

It is an amenable number.

505054443473 is a deficient number, since it is larger than the sum of its proper divisors (1).

505054443473 is an equidigital number, since it uses as much as digits as its factorization.

505054443473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 44.

Adding to 505054443473 its reverse (374344450505), we get a palindrome (879398893978).

The spelling of 505054443473 in words is "five hundred five billion, fifty-four million, four hundred forty-three thousand, four hundred seventy-three".