606194625493 has 2 divisors, whose sum is σ = 606194625494. Its totient is φ = 606194625492.

The previous prime is 606194625481. The next prime is 606194625559. The reversal of 606194625493 is 394526491606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445420090404 + 160774535089 = 667398^2 + 400967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606194625493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606194625473) 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, 303097312746 + 303097312747.

It is an arithmetic number, because the mean of its divisors is an integer number (303097312747).

Almost surely, 2^606194625493 is an apocalyptic number.

It is an amenable number.

606194625493 is a deficient number, since it is larger than the sum of its proper divisors (1).

606194625493 is an equidigital number, since it uses as much as digits as its factorization.

606194625493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 606194625493 in words is "six hundred six billion, one hundred ninety-four million, six hundred twenty-five thousand, four hundred ninety-three".