438216690239 has 8 divisors (see below), whose sum is σ = 464017855248. Its totient is φ = 412418160000.

The previous prime is 438216690199. The next prime is 438216690253. The reversal of 438216690239 is 932096612834.

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

It is a cyclic number.

It is not a de Polignac number, because 438216690239 - 2⁸ = 438216689983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438216690299) 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, 311012 + ... + 986489.

It is an arithmetic number, because the mean of its divisors is an integer number (58002231906).

Almost surely, 2^438216690239 is an apocalyptic number.

438216690239 is a deficient number, since it is larger than the sum of its proper divisors (25801165009).

438216690239 is a wasteful number, since it uses less digits than its factorization.

438216690239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317385.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 438216690239 in words is "four hundred thirty-eight billion, two hundred sixteen million, six hundred ninety thousand, two hundred thirty-nine".