21442411214 has 16 divisors (see below), whose sum is σ = 36760836096. Its totient is φ = 9189000600.

The previous prime is 21442411187. The next prime is 21442411247. The reversal of 21442411214 is 41211424412.

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, 220379 + ... + 302409.

It is an arithmetic number, because the mean of its divisors is an integer number (2297552256).

Almost surely, 2^21442411214 is an apocalyptic number.

21442411214 is a deficient number, since it is larger than the sum of its proper divisors (15318424882).

21442411214 is a wasteful number, since it uses less digits than its factorization.

21442411214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100711.

The product of its digits is 2048, while the sum is 26.

Adding to 21442411214 its reverse (41211424412), we get a palindrome (62653835626).

The spelling of 21442411214 in words is "twenty-one billion, four hundred forty-two million, four hundred eleven thousand, two hundred fourteen".