21334214324 has 6 divisors (see below), whose sum is σ = 37334875074. Its totient is φ = 10667107160.

The previous prime is 21334214281. The next prime is 21334214371. The reversal of 21334214324 is 42341243312.

It can be written as a sum of positive squares in only one way, i.e., 19449091600 + 1885122724 = 139460^2 + 43418^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2666776787 + ... + 2666776794.

It is an arithmetic number, because the mean of its divisors is an integer number (6222479179).

Almost surely, 2^21334214324 is an apocalyptic number.

It is an amenable number.

21334214324 is a deficient number, since it is larger than the sum of its proper divisors (16000660750).

21334214324 is a wasteful number, since it uses less digits than its factorization.

21334214324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333553585 (or 5333553583 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 21334214324 its reverse (42341243312), we get a palindrome (63675457636).

The spelling of 21334214324 in words is "twenty-one billion, three hundred thirty-four million, two hundred fourteen thousand, three hundred twenty-four".