21341413324 has 24 divisors (see below), whose sum is σ = 46563084288. Its totient is φ = 8314836240.

The previous prime is 21341413283. The next prime is 21341413337. The reversal of 21341413324 is 42331414312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 21341413292 and 21341413301.

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, 34644844 + ... + 34645459.

It is an arithmetic number, because the mean of its divisors is an integer number (1940128512).

Almost surely, 2^21341413324 is an apocalyptic number.

It is an amenable number.

21341413324 is an abundant number, since it is smaller than the sum of its proper divisors (25221670964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21341413324 is a wasteful number, since it uses less digits than its factorization.

21341413324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69290325 (or 69290323 counting only the distinct ones).

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

Adding to 21341413324 its reverse (42331414312), we get a palindrome (63672827636).

The spelling of 21341413324 in words is "twenty-one billion, three hundred forty-one million, four hundred thirteen thousand, three hundred twenty-four".