424504535409 has 24 divisors (see below), whose sum is σ = 620199351720. Its totient is φ = 279761594112.

The previous prime is 424504535407. The next prime is 424504535423. The reversal of 424504535409 is 904535405424.

424504535409 is a `hidden beast` number, since 4 + 2 + 4 + 50 + 4 + 53 + 540 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15800625 + 424488734784 = 3975^2 + 651528^2 .

It is not a de Polignac number, because 424504535409 - 2¹ = 424504535407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424504535407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3735147 + ... + 3847119.

It is an arithmetic number, because the mean of its divisors is an integer number (25841639655).

Almost surely, 2^424504535409 is an apocalyptic number.

It is an amenable number.

424504535409 is a deficient number, since it is larger than the sum of its proper divisors (195694816311).

424504535409 is a wasteful number, since it uses less digits than its factorization.

424504535409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116801 (or 116798 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 424504535409 in words is "four hundred twenty-four billion, five hundred four million, five hundred thirty-five thousand, four hundred nine".