344127875849 has 2 divisors, whose sum is σ = 344127875850. Its totient is φ = 344127875848.

The previous prime is 344127875827. The next prime is 344127875887. The reversal of 344127875849 is 948578721443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283497678025 + 60630197824 = 532445^2 + 246232^2 .

It is an emirp because it is prime and its reverse (948578721443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344127875849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344127875791 and 344127875800.

It is not a weakly prime, because it can be changed into another prime (344127875899) 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 as a sum of consecutive naturals, namely, 172063937924 + 172063937925.

It is an arithmetic number, because the mean of its divisors is an integer number (172063937925).

Almost surely, 2^344127875849 is an apocalyptic number.

It is an amenable number.

344127875849 is a deficient number, since it is larger than the sum of its proper divisors (1).

344127875849 is an equidigital number, since it uses as much as digits as its factorization.

344127875849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54190080, while the sum is 62.

The spelling of 344127875849 in words is "three hundred forty-four billion, one hundred twenty-seven million, eight hundred seventy-five thousand, eight hundred forty-nine".