606253111649 has 2 divisors, whose sum is σ = 606253111650. Its totient is φ = 606253111648.

The previous prime is 606253111627. The next prime is 606253111687. The reversal of 606253111649 is 946111352606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 598506471424 + 7746640225 = 773632^2 + 88015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606253111649 is a prime.

It is not a weakly prime, because it can be changed into another prime (606253111049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303126555824 + 303126555825.

It is an arithmetic number, because the mean of its divisors is an integer number (303126555825).

Almost surely, 2^606253111649 is an apocalyptic number.

It is an amenable number.

606253111649 is a deficient number, since it is larger than the sum of its proper divisors (1).

606253111649 is an equidigital number, since it uses as much as digits as its factorization.

606253111649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 606253111649 in words is "six hundred six billion, two hundred fifty-three million, one hundred eleven thousand, six hundred forty-nine".