14021165438 has 16 divisors (see below), whose sum is σ = 24093659520. Its totient is φ = 5994726936.

The previous prime is 14021165437. The next prime is 14021165449. The reversal of 14021165438 is 83456112041.

14021165438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 14021165398 and 14021165407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021165437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189256 + ... + 1200987.

It is an arithmetic number, because the mean of its divisors is an integer number (1505853720).

Almost surely, 2^14021165438 is an apocalyptic number.

14021165438 is a deficient number, since it is larger than the sum of its proper divisors (10072494082).

14021165438 is a wasteful number, since it uses less digits than its factorization.

14021165438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390671.

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 14021165438 its reverse (83456112041), we get a palindrome (97477277479).

The spelling of 14021165438 in words is "fourteen billion, twenty-one million, one hundred sixty-five thousand, four hundred thirty-eight".