604426767209 has 2 divisors, whose sum is σ = 604426767210. Its totient is φ = 604426767208.

The previous prime is 604426767187. The next prime is 604426767227. The reversal of 604426767209 is 902767624406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601822195984 + 2604571225 = 775772^2 + 51035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604426767209 is a prime.

It is not a weakly prime, because it can be changed into another prime (604426764209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302213383604 + 302213383605.

It is an arithmetic number, because the mean of its divisors is an integer number (302213383605).

Almost surely, 2^604426767209 is an apocalyptic number.

It is an amenable number.

604426767209 is a deficient number, since it is larger than the sum of its proper divisors (1).

604426767209 is an equidigital number, since it uses as much as digits as its factorization.

604426767209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 604426767209 in words is "six hundred four billion, four hundred twenty-six million, seven hundred sixty-seven thousand, two hundred nine".