21114353044 has 6 divisors (see below), whose sum is σ = 36950117834. Its totient is φ = 10557176520.

The previous prime is 21114353023. The next prime is 21114353059. The reversal of 21114353044 is 44035341112.

It can be written as a sum of positive squares in only one way, i.e., 20552663044 + 561690000 = 143362^2 + 23700^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2639294127 + ... + 2639294134.

Almost surely, 2^21114353044 is an apocalyptic number.

It is an amenable number.

21114353044 is a deficient number, since it is larger than the sum of its proper divisors (15835764790).

21114353044 is a wasteful number, since it uses less digits than its factorization.

21114353044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278588265 (or 5278588263 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 21114353044 its reverse (44035341112), we get a palindrome (65149694156).

The spelling of 21114353044 in words is "twenty-one billion, one hundred fourteen million, three hundred fifty-three thousand, forty-four".