21234344014 has 12 divisors (see below), whose sum is σ = 34490103696. Its totient is φ = 9800466312.

The previous prime is 21234343973. The next prime is 21234344039. The reversal of 21234344014 is 41044343212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31411414 + ... + 31412089.

It is an arithmetic number, because the mean of its divisors is an integer number (2874175308).

Almost surely, 2^21234344014 is an apocalyptic number.

21234344014 is a deficient number, since it is larger than the sum of its proper divisors (13255759682).

21234344014 is a wasteful number, since it uses less digits than its factorization.

21234344014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62823531 (or 62823518 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 21234344014 its reverse (41044343212), we get a palindrome (62278687226).

The spelling of 21234344014 in words is "twenty-one billion, two hundred thirty-four million, three hundred forty-four thousand, fourteen".