606943919 has 2 divisors, whose sum is σ = 606943920. Its totient is φ = 606943918.

The previous prime is 606943907. The next prime is 606943949. The reversal of 606943919 is 919349606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 606943919 - 2⁸ = 606943663 is a prime.

It is a super-2 number, since 2×606943919² = 736761841622157122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606943949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303471959 + 303471960.

It is an arithmetic number, because the mean of its divisors is an integer number (303471960).

Almost surely, 2^606943919 is an apocalyptic number.

606943919 is a deficient number, since it is larger than the sum of its proper divisors (1).

606943919 is an equidigital number, since it uses as much as digits as its factorization.

606943919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 606943919 is about 24636.2318344344. The cubic root of 606943919 is about 846.6739311761.

The spelling of 606943919 in words is "six hundred six million, nine hundred forty-three thousand, nine hundred nineteen".