438682755459 has 8 divisors (see below), whose sum is σ = 629903443792. Its totient is φ = 269958618720.

The previous prime is 438682755421. The next prime is 438682755479. The reversal of 438682755459 is 954557286834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 438682755459 - 2²¹ = 438680658307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 438682755459.

It is not an unprimeable number, because it can be changed into a prime (438682755479) 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 in 7 ways as a sum of consecutive naturals, for example, 5624137852 + ... + 5624137929.

It is an arithmetic number, because the mean of its divisors is an integer number (78737930474).

Almost surely, 2^438682755459 is an apocalyptic number.

438682755459 is a deficient number, since it is larger than the sum of its proper divisors (191220688333).

438682755459 is a wasteful number, since it uses less digits than its factorization.

438682755459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248275797.

The product of its digits is 290304000, while the sum is 66.

The spelling of 438682755459 in words is "four hundred thirty-eight billion, six hundred eighty-two million, seven hundred fifty-five thousand, four hundred fifty-nine".