606947627021 has 2 divisors, whose sum is σ = 606947627022. Its totient is φ = 606947627020.

The previous prime is 606947627009. The next prime is 606947627023. The reversal of 606947627021 is 120726749606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464810332900 + 142137294121 = 681770^2 + 377011^2 .

It is a cyclic number.

It is not a de Polignac number, because 606947627021 - 2²² = 606943432717 is a prime.

Together with 606947627023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606947627023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303473813510 + 303473813511.

It is an arithmetic number, because the mean of its divisors is an integer number (303473813511).

Almost surely, 2^606947627021 is an apocalyptic number.

It is an amenable number.

606947627021 is a deficient number, since it is larger than the sum of its proper divisors (1).

606947627021 is an equidigital number, since it uses as much as digits as its factorization.

606947627021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 606947627021 in words is "six hundred six billion, nine hundred forty-seven million, six hundred twenty-seven thousand, twenty-one".