409441553 has 2 divisors, whose sum is σ = 409441554. Its totient is φ = 409441552.

The previous prime is 409441537. The next prime is 409441579. The reversal of 409441553 is 355144904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332405824 + 77035729 = 18232^2 + 8777^2 .

It is a cyclic number.

It is not a de Polignac number, because 409441553 - 2⁴ = 409441537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (409443553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204720776 + 204720777.

It is an arithmetic number, because the mean of its divisors is an integer number (204720777).

Almost surely, 2^409441553 is an apocalyptic number.

It is an amenable number.

409441553 is a deficient number, since it is larger than the sum of its proper divisors (1).

409441553 is an equidigital number, since it uses as much as digits as its factorization.

409441553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 409441553 is about 20234.6621666881. The cubic root of 409441553 is about 742.5584398523.

The spelling of 409441553 in words is "four hundred nine million, four hundred forty-one thousand, five hundred fifty-three".