409564491067 has 2 divisors, whose sum is σ = 409564491068. Its totient is φ = 409564491066.

The previous prime is 409564491043. The next prime is 409564491097. The reversal of 409564491067 is 760194465904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 409564491067 - 2²⁷ = 409430273339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 409564490999 and 409564491017.

It is not a weakly prime, because it can be changed into another prime (409564491097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204782245533 + 204782245534.

It is an arithmetic number, because the mean of its divisors is an integer number (204782245534).

Almost surely, 2^409564491067 is an apocalyptic number.

409564491067 is a deficient number, since it is larger than the sum of its proper divisors (1).

409564491067 is an equidigital number, since it uses as much as digits as its factorization.

409564491067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 409564491067 in words is "four hundred nine billion, five hundred sixty-four million, four hundred ninety-one thousand, sixty-seven".