605559365306461 has 2 divisors, whose sum is σ = 605559365306462. Its totient is φ = 605559365306460.

The previous prime is 605559365306393. The next prime is 605559365306503. The reversal of 605559365306461 is 164603563955506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473439720168900 + 132119645137561 = 21758670^2 + 11494331^2 .

It is a cyclic number.

It is not a de Polignac number, because 605559365306461 - 2¹³ = 605559365298269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 605559365306393 and 605559365306402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605559362306461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302779682653230 + 302779682653231.

It is an arithmetic number, because the mean of its divisors is an integer number (302779682653231).

Almost surely, 2^{605559365306461} is an apocalyptic number.

It is an amenable number.

605559365306461 is a deficient number, since it is larger than the sum of its proper divisors (1).

605559365306461 is an equidigital number, since it uses as much as digits as its factorization.

605559365306461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440000, while the sum is 64.

The spelling of 605559365306461 in words is "six hundred five trillion, five hundred fifty-nine billion, three hundred sixty-five million, three hundred six thousand, four hundred sixty-one".