21413341324 has 24 divisors (see below), whose sum is σ = 38191305600. Its totient is φ = 10501655424.

The previous prime is 21413341319. The next prime is 21413341333. The reversal of 21413341324 is 42314331412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21413341292 and 21413341301.

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 in 7 ways as a sum of consecutive naturals, for example, 851077 + ... + 875875.

It is an arithmetic number, because the mean of its divisors is an integer number (1591304400).

Almost surely, 2^21413341324 is an apocalyptic number.

It is an amenable number.

21413341324 is a deficient number, since it is larger than the sum of its proper divisors (16777964276).

21413341324 is a wasteful number, since it uses less digits than its factorization.

21413341324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28929 (or 28927 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 21413341324 its reverse (42314331412), we get a palindrome (63727672736).

The spelling of 21413341324 in words is "twenty-one billion, four hundred thirteen million, three hundred forty-one thousand, three hundred twenty-four".