344204355553 has 4 divisors (see below), whose sum is σ = 344319055108. Its totient is φ = 344089656000.

The previous prime is 344204355437. The next prime is 344204355571. The reversal of 344204355553 is 355553402443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355553402443 = 103 ⋅3451974781.

It can be written as a sum of positive squares in 2 ways, for example, as 145151856144 + 199052499409 = 380988^2 + 446153^2 .

It is a cyclic number.

It is not a de Polignac number, because 344204355553 - 2⁹ = 344204355041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344204355653) 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 3 ways as a sum of consecutive naturals, for example, 57345276 + ... + 57351277.

It is an arithmetic number, because the mean of its divisors is an integer number (86079763777).

Almost surely, 2^344204355553 is an apocalyptic number.

It is an amenable number.

344204355553 is a deficient number, since it is larger than the sum of its proper divisors (114699555).

344204355553 is a wasteful number, since it uses less digits than its factorization.

344204355553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114699554.

The product of its (nonzero) digits is 2160000, while the sum is 43.

Adding to 344204355553 its reverse (355553402443), we get a palindrome (699757757996).

The spelling of 344204355553 in words is "three hundred forty-four billion, two hundred four million, three hundred fifty-five thousand, five hundred fifty-three".