409441563 has 12 divisors (see below), whose sum is σ = 598061880. Its totient is φ = 269893536.

The previous prime is 409441553. The next prime is 409441579. The reversal of 409441563 is 365144904.

409441563 is a `hidden beast` number, since 4 + 0 + 94 + 4 + 1 + 563 = 666.

It is not a de Polignac number, because 409441563 - 2¹³ = 409433371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409441553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254781 + ... + 256382.

It is an arithmetic number, because the mean of its divisors is an integer number (49838490).

Almost surely, 2^409441563 is an apocalyptic number.

409441563 is a deficient number, since it is larger than the sum of its proper divisors (188620317).

409441563 is a wasteful number, since it uses less digits than its factorization.

409441563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511258 (or 511255 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 409441563 is about 20234.6624137889. The cubic root of 409441563 is about 742.5584458976.

The spelling of 409441563 in words is "four hundred nine million, four hundred forty-one thousand, five hundred sixty-three".