344836510745 has 4 divisors (see below), whose sum is σ = 413803812900. Its totient is φ = 275869208592.

The previous prime is 344836510721. The next prime is 344836510747. The reversal of 344836510745 is 547015638443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547015638443 = 1049 ⋅521463907.

It can be written as a sum of positive squares in 2 ways, for example, as 63608875264 + 281227635481 = 252208^2 + 530309^2 .

It is a cyclic number.

It is not a de Polignac number, because 344836510745 - 2²⁸ = 344568075289 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 344836510693 and 344836510702.

It is not an unprimeable number, because it can be changed into a prime (344836510747) 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, 34483651070 + ... + 34483651079.

It is an arithmetic number, because the mean of its divisors is an integer number (103450953225).

Almost surely, 2^344836510745 is an apocalyptic number.

It is an amenable number.

344836510745 is a deficient number, since it is larger than the sum of its proper divisors (68967302155).

344836510745 is an equidigital number, since it uses as much as digits as its factorization.

344836510745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68967302154.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 344836510745 in words is "three hundred forty-four billion, eight hundred thirty-six million, five hundred ten thousand, seven hundred forty-five".