21336014334 has 16 divisors (see below), whose sum is σ = 42979023360. Its totient is φ = 7060839000.

The previous prime is 21336014309. The next prime is 21336014419. The reversal of 21336014334 is 43341063312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12790542 + ... + 12792209.

It is an arithmetic number, because the mean of its divisors is an integer number (2686188960).

Almost surely, 2^21336014334 is an apocalyptic number.

21336014334 is an abundant number, since it is smaller than the sum of its proper divisors (21643009026).

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

21336014334 is a wasteful number, since it uses less digits than its factorization.

21336014334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25582895.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 21336014334 its reverse (43341063312), we get a palindrome (64677077646).

The spelling of 21336014334 in words is "twenty-one billion, three hundred thirty-six million, fourteen thousand, three hundred thirty-four".