605506066513 has 2 divisors, whose sum is σ = 605506066514. Its totient is φ = 605506066512.

The previous prime is 605506066511. The next prime is 605506066519. The reversal of 605506066513 is 315660605506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575317699009 + 30188367504 = 758497^2 + 173748^2 .

It is a cyclic number.

It is not a de Polignac number, because 605506066513 - 2¹ = 605506066511 is a prime.

Together with 605506066511, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 605506066513.

It is not a weakly prime, because it can be changed into another prime (605506066511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302753033256 + 302753033257.

It is an arithmetic number, because the mean of its divisors is an integer number (302753033257).

Almost surely, 2^605506066513 is an apocalyptic number.

It is an amenable number.

605506066513 is a deficient number, since it is larger than the sum of its proper divisors (1).

605506066513 is an equidigital number, since it uses as much as digits as its factorization.

605506066513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 605506066513 in words is "six hundred five billion, five hundred six million, sixty-six thousand, five hundred thirteen".