21433364214 has 8 divisors (see below), whose sum is σ = 42866728440. Its totient is φ = 7144454736.

The previous prime is 21433364207. The next prime is 21433364263. The reversal of 21433364214 is 41246333412.

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

21433364214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786113679 + ... + 1786113690.

It is an arithmetic number, because the mean of its divisors is an integer number (5358341055).

Almost surely, 2^21433364214 is an apocalyptic number.

21433364214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21433364214 is a wasteful number, since it uses less digits than its factorization.

21433364214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572227374.

The product of its digits is 41472, while the sum is 33.

Adding to 21433364214 its reverse (41246333412), we get a palindrome (62679697626).

The spelling of 21433364214 in words is "twenty-one billion, four hundred thirty-three million, three hundred sixty-four thousand, two hundred fourteen".