438413206274163 has 12 divisors (see below), whose sum is σ = 633266333348688. Its totient is φ = 292274172461040.

The previous prime is 438413206274111. The next prime is 438413206274171. The reversal of 438413206274163 is 361472602314834.

438413206274163 is a `hidden beast` number, since 4 + 3 + 8 + 4 + 1 + 3 + 2 + 0 + 627 + 4 + 1 + 6 + 3 = 666.

It is not a de Polignac number, because 438413206274163 - 2⁸ = 438413206273907 is a prime.

It is a super-2 number, since 2×438413206274163² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (438413206224163) 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, 106058295 + ... + 110114432.

It is an arithmetic number, because the mean of its divisors is an integer number (52772194445724).

Almost surely, 2^{438413206274163} is an apocalyptic number.

438413206274163 is a deficient number, since it is larger than the sum of its proper divisors (194853127074525).

438413206274163 is a wasteful number, since it uses less digits than its factorization.

438413206274163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216398074 (or 216398071 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 54.

Adding to 438413206274163 its reverse (361472602314834), we get a palindrome (799885808588997).

The spelling of 438413206274163 in words is "four hundred thirty-eight trillion, four hundred thirteen billion, two hundred six million, two hundred seventy-four thousand, one hundred sixty-three".