505366402441 has 2 divisors, whose sum is σ = 505366402442. Its totient is φ = 505366402440.

The previous prime is 505366402439. The next prime is 505366402511. The reversal of 505366402441 is 144204663505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460762652025 + 44603750416 = 678795^2 + 211196^2 .

It is a cyclic number.

It is not a de Polignac number, because 505366402441 - 2¹ = 505366402439 is a prime.

Together with 505366402439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 505366402394 and 505366402403.

It is not a weakly prime, because it can be changed into another prime (505366408441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252683201220 + 252683201221.

It is an arithmetic number, because the mean of its divisors is an integer number (252683201221).

Almost surely, 2^505366402441 is an apocalyptic number.

It is an amenable number.

505366402441 is a deficient number, since it is larger than the sum of its proper divisors (1).

505366402441 is an equidigital number, since it uses as much as digits as its factorization.

505366402441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 505366402441 in words is "five hundred five billion, three hundred sixty-six million, four hundred two thousand, four hundred forty-one".