608441808649 has 2 divisors, whose sum is σ = 608441808650. Its totient is φ = 608441808648.

The previous prime is 608441808631. The next prime is 608441808673. The reversal of 608441808649 is 946808144806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601604999424 + 6836809225 = 775632^2 + 82685^2 .

It is a cyclic number.

It is not a de Polignac number, because 608441808649 - 2⁹ = 608441808137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 608441808593 and 608441808602.

It is not a weakly prime, because it can be changed into another prime (608441808679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304220904324 + 304220904325.

It is an arithmetic number, because the mean of its divisors is an integer number (304220904325).

Almost surely, 2^608441808649 is an apocalyptic number.

It is an amenable number.

608441808649 is a deficient number, since it is larger than the sum of its proper divisors (1).

608441808649 is an equidigital number, since it uses as much as digits as its factorization.

608441808649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 608441808649 in words is "six hundred eight billion, four hundred forty-one million, eight hundred eight thousand, six hundred forty-nine".