14143443397 has 2 divisors, whose sum is σ = 14143443398. Its totient is φ = 14143443396.

The previous prime is 14143443389. The next prime is 14143443401. The reversal of 14143443397 is 79334434141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13290861796 + 852581601 = 115286^2 + 29199^2 .

It is an emirp because it is prime and its reverse (79334434141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14143443397 - 2³ = 14143443389 is a prime.

It is a super-2 number, since 2×14143443397² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14143443697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7071721698 + 7071721699.

It is an arithmetic number, because the mean of its divisors is an integer number (7071721699).

Almost surely, 2^14143443397 is an apocalyptic number.

It is an amenable number.

14143443397 is a deficient number, since it is larger than the sum of its proper divisors (1).

14143443397 is an equidigital number, since it uses as much as digits as its factorization.

14143443397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 43.

The spelling of 14143443397 in words is "fourteen billion, one hundred forty-three million, four hundred forty-three thousand, three hundred ninety-seven".