438068446143 has 16 divisors (see below), whose sum is σ = 584743920480. Its totient is φ = 291719425536.

The previous prime is 438068446141. The next prime is 438068446199. The reversal of 438068446143 is 341644860834.

It is not a de Polignac number, because 438068446143 - 2¹ = 438068446141 is a prime.

It is a super-2 number, since 2×438068446143² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438068446141) 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, 17725371 + ... + 17750067.

It is an arithmetic number, because the mean of its divisors is an integer number (36546495030).

Almost surely, 2^438068446143 is an apocalyptic number.

438068446143 is a deficient number, since it is larger than the sum of its proper divisors (146675474337).

438068446143 is a wasteful number, since it uses less digits than its factorization.

438068446143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31066.

The product of its (nonzero) digits is 5308416, while the sum is 51.

The spelling of 438068446143 in words is "four hundred thirty-eight billion, sixty-eight million, four hundred forty-six thousand, one hundred forty-three".