409316927 has 2 divisors, whose sum is σ = 409316928. Its totient is φ = 409316926.

The previous prime is 409316881. The next prime is 409316951. The reversal of 409316927 is 729613904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 409316927 - 2⁶ = 409316863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409315927) 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, 204658463 + 204658464.

It is an arithmetic number, because the mean of its divisors is an integer number (204658464).

Almost surely, 2^409316927 is an apocalyptic number.

409316927 is a deficient number, since it is larger than the sum of its proper divisors (1).

409316927 is an equidigital number, since it uses as much as digits as its factorization.

409316927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 409316927 is about 20231.5824146308. The cubic root of 409316927 is about 742.4830921188.

The spelling of 409316927 in words is "four hundred nine million, three hundred sixteen thousand, nine hundred twenty-seven".