21354324314 has 8 divisors (see below), whose sum is σ = 33717354240. Its totient is φ = 10115206236.

The previous prime is 21354324289. The next prime is 21354324317. The reversal of 21354324314 is 41342345312.

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

It is not an unprimeable number, because it can be changed into a prime (21354324317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280977914 + ... + 280977989.

It is an arithmetic number, because the mean of its divisors is an integer number (4214669280).

Almost surely, 2^21354324314 is an apocalyptic number.

21354324314 is a deficient number, since it is larger than the sum of its proper divisors (12363029926).

21354324314 is a wasteful number, since it uses less digits than its factorization.

21354324314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561955924.

The product of its digits is 34560, while the sum is 32.

Adding to 21354324314 its reverse (41342345312), we get a palindrome (62696669626).

The spelling of 21354324314 in words is "twenty-one billion, three hundred fifty-four million, three hundred twenty-four thousand, three hundred fourteen".