606105049981 has 2 divisors, whose sum is σ = 606105049982. Its totient is φ = 606105049980.

The previous prime is 606105049937. The next prime is 606105050011. The reversal of 606105049981 is 189940501606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603092028100 + 3013021881 = 776590^2 + 54891^2 .

It is a cyclic number.

It is not a de Polignac number, because 606105049981 - 2⁹ = 606105049469 is a prime.

It is a super-2 number, since 2×606105049981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606105049931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303052524990 + 303052524991.

It is an arithmetic number, because the mean of its divisors is an integer number (303052524991).

Almost surely, 2^606105049981 is an apocalyptic number.

It is an amenable number.

606105049981 is a deficient number, since it is larger than the sum of its proper divisors (1).

606105049981 is an equidigital number, since it uses as much as digits as its factorization.

606105049981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 606105049981 in words is "six hundred six billion, one hundred five million, forty-nine thousand, nine hundred eighty-one".