344126621443 has 16 divisors (see below), whose sum is σ = 378982302336. Its totient is φ = 309867154240.

The previous prime is 344126621243. The next prime is 344126621491.

344126621443 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344126621443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344126621396 and 344126621405.

It is not an unprimeable number, because it can be changed into a prime (344126621243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8268855 + ... + 8310367.

It is an arithmetic number, because the mean of its divisors is an integer number (23686393896).

Almost surely, 2^344126621443 is an apocalyptic number.

344126621443 is a deficient number, since it is larger than the sum of its proper divisors (34855680893).

344126621443 is a wasteful number, since it uses less digits than its factorization.

344126621443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48674.

The product of its digits is 331776, while the sum is 40.

It can be divided in two parts, 344126 and 621443, that added together give a palindrome (965569).

The spelling of 344126621443 in words is "three hundred forty-four billion, one hundred twenty-six million, six hundred twenty-one thousand, four hundred forty-three".