21334210303439 has 16 divisors (see below), whose sum is σ = 24026052065280. Its totient is φ = 18767846772000.

The previous prime is 21334210303433. The next prime is 21334210303459. The reversal of 21334210303439 is 93430301243312.

It is not a de Polignac number, because 21334210303439 - 2¹⁶ = 21334210237903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21334210303433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3044417 + ... + 7206725.

It is an arithmetic number, because the mean of its divisors is an integer number (1501628254080).

Almost surely, 2^{21334210303439} is an apocalyptic number.

21334210303439 is a deficient number, since it is larger than the sum of its proper divisors (2691841761841).

21334210303439 is a wasteful number, since it uses less digits than its factorization.

21334210303439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177382.

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 21334210303439 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, three hundred three thousand, four hundred thirty-nine".