21344012414 has 8 divisors (see below), whose sum is σ = 33899313888. Its totient is φ = 10044241120.

The previous prime is 21344012411. The next prime is 21344012419. The reversal of 21344012414 is 41421044312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21344012414² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21344012411) by changing a digit.

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, 313882502 + ... + 313882569.

It is an arithmetic number, because the mean of its divisors is an integer number (4237414236).

Almost surely, 2^21344012414 is an apocalyptic number.

21344012414 is a deficient number, since it is larger than the sum of its proper divisors (12555301474).

21344012414 is a wasteful number, since it uses less digits than its factorization.

21344012414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627765090.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 21344012414 its reverse (41421044312), we get a palindrome (62765056726).

The spelling of 21344012414 in words is "twenty-one billion, three hundred forty-four million, twelve thousand, four hundred fourteen".