606405640231 has 2 divisors, whose sum is σ = 606405640232. Its totient is φ = 606405640230.

The previous prime is 606405640223. The next prime is 606405640261. The reversal of 606405640231 is 132046504606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 606405640231 - 2³ = 606405640223 is a prime.

It is a super-2 number, since 2×606405640231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606405640201) 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, 303202820115 + 303202820116.

It is an arithmetic number, because the mean of its divisors is an integer number (303202820116).

Almost surely, 2^606405640231 is an apocalyptic number.

606405640231 is a deficient number, since it is larger than the sum of its proper divisors (1).

606405640231 is an equidigital number, since it uses as much as digits as its factorization.

606405640231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 606405640231 in words is "six hundred six billion, four hundred five million, six hundred forty thousand, two hundred thirty-one".