438147432211 has 16 divisors (see below), whose sum is σ = 482973143040. Its totient is φ = 395626714560.

The previous prime is 438147432209. The next prime is 438147432223. The reversal of 438147432211 is 112234741834.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 438147432211 - 2¹ = 438147432209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438147436211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661235 + ... + 1906828.

It is an arithmetic number, because the mean of its divisors is an integer number (30185821440).

Almost surely, 2^438147432211 is an apocalyptic number.

438147432211 is a deficient number, since it is larger than the sum of its proper divisors (44825710829).

438147432211 is a wasteful number, since it uses less digits than its factorization.

438147432211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568386.

The product of its digits is 129024, while the sum is 40.

The spelling of 438147432211 in words is "four hundred thirty-eight billion, one hundred forty-seven million, four hundred thirty-two thousand, two hundred eleven".