14140441021 has 6 divisors (see below), whose sum is σ = 16449084510. Its totient is φ = 12120377976.

The previous prime is 14140441013. The next prime is 14140441031. The reversal of 14140441021 is 12014404141.

14140441021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7415620996 + 6724820025 = 86114^2 + 82005^2 .

It is not a de Polignac number, because 14140441021 - 2³ = 14140441013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14140440983 and 14140441001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14140441031) 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 5 ways as a sum of consecutive naturals, for example, 144290166 + ... + 144290263.

It is an arithmetic number, because the mean of its divisors is an integer number (2741514085).

Almost surely, 2^14140441021 is an apocalyptic number.

It is an amenable number.

14140441021 is a deficient number, since it is larger than the sum of its proper divisors (2308643489).

14140441021 is an equidigital number, since it uses as much as digits as its factorization.

14140441021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288580443 (or 288580436 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 14140441021 its reverse (12014404141), we get a palindrome (26154845162).

The spelling of 14140441021 in words is "fourteen billion, one hundred forty million, four hundred forty-one thousand, twenty-one".