606254046649 has 2 divisors, whose sum is σ = 606254046650. Its totient is φ = 606254046648.

The previous prime is 606254046617. The next prime is 606254046683. The reversal of 606254046649 is 946640452606.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540394063225 + 65859983424 = 735115^2 + 256632^2 .

It is a cyclic number.

It is not a de Polignac number, because 606254046649 - 2⁵ = 606254046617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 606254046596 and 606254046605.

It is not a weakly prime, because it can be changed into another prime (606254046149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303127023324 + 303127023325.

It is an arithmetic number, because the mean of its divisors is an integer number (303127023325).

Almost surely, 2^606254046649 is an apocalyptic number.

It is an amenable number.

606254046649 is a deficient number, since it is larger than the sum of its proper divisors (1).

606254046649 is an equidigital number, since it uses as much as digits as its factorization.

606254046649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 606254046649 in words is "six hundred six billion, two hundred fifty-four million, forty-six thousand, six hundred forty-nine".