605323026457109 has 2 divisors, whose sum is σ = 605323026457110. Its totient is φ = 605323026457108.

The previous prime is 605323026457057. The next prime is 605323026457159. The reversal of 605323026457109 is 901754620323506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554740747114225 + 50582279342884 = 23552935^2 + 7112122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605323026457109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605323026457159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302661513228554 + 302661513228555.

It is an arithmetic number, because the mean of its divisors is an integer number (302661513228555).

Almost surely, 2^{605323026457109} is an apocalyptic number.

It is an amenable number.

605323026457109 is a deficient number, since it is larger than the sum of its proper divisors (1).

605323026457109 is an equidigital number, since it uses as much as digits as its factorization.

605323026457109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 605323026457109 in words is "six hundred five trillion, three hundred twenty-three billion, twenty-six million, four hundred fifty-seven thousand, one hundred nine".