505144030273 has 2 divisors, whose sum is σ = 505144030274. Its totient is φ = 505144030272.

The previous prime is 505144030207. The next prime is 505144030319. The reversal of 505144030273 is 372030441505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487906441009 + 17237589264 = 698503^2 + 131292^2 .

It is a cyclic number.

It is not a de Polignac number, because 505144030273 - 2¹⁷ = 505143899201 is a prime.

It is not a weakly prime, because it can be changed into another prime (505144030073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252572015136 + 252572015137.

It is an arithmetic number, because the mean of its divisors is an integer number (252572015137).

Almost surely, 2^505144030273 is an apocalyptic number.

It is an amenable number.

505144030273 is a deficient number, since it is larger than the sum of its proper divisors (1).

505144030273 is an equidigital number, since it uses as much as digits as its factorization.

505144030273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 34.

Adding to 505144030273 its reverse (372030441505), we get a palindrome (877174471778).

The spelling of 505144030273 in words is "five hundred five billion, one hundred forty-four million, thirty thousand, two hundred seventy-three".