605844368641 has 2 divisors, whose sum is σ = 605844368642. Its totient is φ = 605844368640.

The previous prime is 605844368627. The next prime is 605844368677. The reversal of 605844368641 is 146863448506.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383928944400 + 221915424241 = 619620^2 + 471079^2 .

It is a cyclic number.

It is not a de Polignac number, because 605844368641 - 2⁵ = 605844368609 is a prime.

It is not a weakly prime, because it can be changed into another prime (605844368141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302922184320 + 302922184321.

It is an arithmetic number, because the mean of its divisors is an integer number (302922184321).

Almost surely, 2^605844368641 is an apocalyptic number.

It is an amenable number.

605844368641 is a deficient number, since it is larger than the sum of its proper divisors (1).

605844368641 is an equidigital number, since it uses as much as digits as its factorization.

605844368641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 605844368641 in words is "six hundred five billion, eight hundred forty-four million, three hundred sixty-eight thousand, six hundred forty-one".