344205421411 has 4 divisors (see below), whose sum is σ = 344229360552. Its totient is φ = 344181482272.

The previous prime is 344205421361. The next prime is 344205421457. The reversal of 344205421411 is 114124502443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344205421411 - 2²¹ = 344203324259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344205421481) 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 3 ways as a sum of consecutive naturals, for example, 11947990 + ... + 11976763.

It is an arithmetic number, because the mean of its divisors is an integer number (86057340138).

Almost surely, 2^344205421411 is an apocalyptic number.

344205421411 is a deficient number, since it is larger than the sum of its proper divisors (23939141).

344205421411 is a wasteful number, since it uses less digits than its factorization.

344205421411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23939140.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 344205421411 its reverse (114124502443), we get a palindrome (458329923854).

The spelling of 344205421411 in words is "three hundred forty-four billion, two hundred five million, four hundred twenty-one thousand, four hundred eleven".