14438839523881 has 2 divisors, whose sum is σ = 14438839523882. Its totient is φ = 14438839523880.

The previous prime is 14438839523873. The next prime is 14438839523891. The reversal of 14438839523881 is 18832593883441.

14438839523881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8398751763600 + 6040087760281 = 2898060^2 + 2457659^2 .

It is a cyclic number.

It is not a de Polignac number, because 14438839523881 - 2³ = 14438839523873 is a prime.

It is a super-2 number, since 2×14438839523881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14438839523821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7219419761940 + 7219419761941.

It is an arithmetic number, because the mean of its divisors is an integer number (7219419761941).

Almost surely, 2^{14438839523881} is an apocalyptic number.

It is an amenable number.

14438839523881 is a deficient number, since it is larger than the sum of its proper divisors (1).

14438839523881 is an equidigital number, since it uses as much as digits as its factorization.

14438839523881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 159252480, while the sum is 67.

The spelling of 14438839523881 in words is "fourteen trillion, four hundred thirty-eight billion, eight hundred thirty-nine million, five hundred twenty-three thousand, eight hundred eighty-one".