14421323993 has 2 divisors, whose sum is σ = 14421323994. Its totient is φ = 14421323992.

The previous prime is 14421323897. The next prime is 14421323999. The reversal of 14421323993 is 39932312441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14421127744 + 196249 = 120088^2 + 443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14421323993 is a prime.

It is a super-2 number, since 2×14421323993² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14421323993.

It is not a weakly prime, because it can be changed into another prime (14421323999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7210661996 + 7210661997.

It is an arithmetic number, because the mean of its divisors is an integer number (7210661997).

Almost surely, 2^14421323993 is an apocalyptic number.

It is an amenable number.

14421323993 is a deficient number, since it is larger than the sum of its proper divisors (1).

14421323993 is an equidigital number, since it uses as much as digits as its factorization.

14421323993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The spelling of 14421323993 in words is "fourteen billion, four hundred twenty-one million, three hundred twenty-three thousand, nine hundred ninety-three".