13214444143 has 4 divisors (see below), whose sum is σ = 13571591320. Its totient is φ = 12857296968.

The previous prime is 13214444141. The next prime is 13214444149. The reversal of 13214444143 is 34144441231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13214444143 - 2¹ = 13214444141 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 (13214444141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178573533 + ... + 178573606.

It is an arithmetic number, because the mean of its divisors is an integer number (3392897830).

Almost surely, 2^13214444143 is an apocalyptic number.

13214444143 is a deficient number, since it is larger than the sum of its proper divisors (357147177).

13214444143 is an equidigital number, since it uses as much as digits as its factorization.

13214444143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357147176.

The product of its digits is 18432, while the sum is 31.

Adding to 13214444143 its reverse (34144441231), we get a palindrome (47358885374).

The spelling of 13214444143 in words is "thirteen billion, two hundred fourteen million, four hundred forty-four thousand, one hundred forty-three".