344053320551 has 4 divisors (see below), whose sum is σ = 344058816504. Its totient is φ = 344047824600.

The previous prime is 344053320511. The next prime is 344053320577. The reversal of 344053320551 is 155023350443.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344053320551 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 (344053320511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652980 + ... + 2779641.

It is an arithmetic number, because the mean of its divisors is an integer number (86014704126).

Almost surely, 2^344053320551 is an apocalyptic number.

344053320551 is a deficient number, since it is larger than the sum of its proper divisors (5495953).

344053320551 is an equidigital number, since it uses as much as digits as its factorization.

344053320551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495952.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 344053320551 its reverse (155023350443), we get a palindrome (499076670994).

The spelling of 344053320551 in words is "three hundred forty-four billion, fifty-three million, three hundred twenty thousand, five hundred fifty-one".