21344014214 has 16 divisors (see below), whose sum is σ = 34118834688. Its totient is φ = 9990814152.

The previous prime is 21344014207. The next prime is 21344014229. The reversal of 21344014214 is 41241044312.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4934012 + ... + 4938335.

It is an arithmetic number, because the mean of its divisors is an integer number (2132427168).

Almost surely, 2^21344014214 is an apocalyptic number.

21344014214 is a deficient number, since it is larger than the sum of its proper divisors (12774820474).

21344014214 is a wasteful number, since it uses less digits than its factorization.

21344014214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872419.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 21344014214 its reverse (41241044312), we get a palindrome (62585058526).

The spelling of 21344014214 in words is "twenty-one billion, three hundred forty-four million, fourteen thousand, two hundred fourteen".