485381368481 has 2 divisors, whose sum is σ = 485381368482. Its totient is φ = 485381368480.

The previous prime is 485381368463. The next prime is 485381368583. The reversal of 485381368481 is 184863183584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289589278225 + 195792090256 = 538135^2 + 442484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485381368481 is a prime.

It is a super-2 number, since 2×485381368481² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 485381368481.

It is not a weakly prime, because it can be changed into another prime (485381368781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242690684240 + 242690684241.

It is an arithmetic number, because the mean of its divisors is an integer number (242690684241).

Almost surely, 2^485381368481 is an apocalyptic number.

It is an amenable number.

485381368481 is a deficient number, since it is larger than the sum of its proper divisors (1).

485381368481 is an equidigital number, since it uses as much as digits as its factorization.

485381368481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17694720, while the sum is 59.

It can be divided in two parts, 4853813 and 68481, that added together give a palindrome (4922294).

The spelling of 485381368481 in words is "four hundred eighty-five billion, three hundred eighty-one million, three hundred sixty-eight thousand, four hundred eighty-one".