606466639 has 2 divisors, whose sum is σ = 606466640. Its totient is φ = 606466638.

The previous prime is 606466633. The next prime is 606466661. The reversal of 606466639 is 936664606.

606466639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 606466639 - 2⁵ = 606466607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606466633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303233319 + 303233320.

It is an arithmetic number, because the mean of its divisors is an integer number (303233320).

Almost surely, 2^606466639 is an apocalyptic number.

606466639 is a deficient number, since it is larger than the sum of its proper divisors (1).

606466639 is an equidigital number, since it uses as much as digits as its factorization.

606466639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 46.

The square root of 606466639 is about 24626.5433831060. The cubic root of 606466639 is about 846.4519411420.

The spelling of 606466639 in words is "six hundred six million, four hundred sixty-six thousand, six hundred thirty-nine".