21344011039 has 8 divisors (see below), whose sum is σ = 23126877872. Its totient is φ = 19581289920.

The previous prime is 21344011009. The next prime is 21344011069. The reversal of 21344011039 is 93011044312.

It is an interprime number because it is at equal distance from previous prime (21344011009) and next prime (21344011069).

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

It is a cyclic number.

It is not a de Polignac number, because 21344011039 - 2²⁹ = 20807140127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21344010998 and 21344011016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21344011009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5034222 + ... + 5038459.

It is an arithmetic number, because the mean of its divisors is an integer number (2890859734).

Almost surely, 2^21344011039 is an apocalyptic number.

21344011039 is a deficient number, since it is larger than the sum of its proper divisors (1782866833).

21344011039 is a wasteful number, since it uses less digits than its factorization.

21344011039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10072857.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 21344011039 in words is "twenty-one billion, three hundred forty-four million, eleven thousand, thirty-nine".