21344444312 has 16 divisors (see below), whose sum is σ = 40025949000. Its totient is φ = 10670857920.

The previous prime is 21344444287. The next prime is 21344444339.

21344444312 is nontrivially palindromic in base 10.

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 3 ways as a sum of consecutive naturals, for example, 102437 + ... + 230612.

Almost surely, 2^21344444312 is an apocalyptic number.

It is an amenable number.

21344444312 is a deficient number, since it is larger than the sum of its proper divisors (18681504688).

21344444312 is a wasteful number, since it uses less digits than its factorization.

21344444312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341066 (or 341062 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

The spelling of 21344444312 in words is "twenty-one billion, three hundred forty-four million, four hundred forty-four thousand, three hundred twelve".