344787327953 has 2 divisors, whose sum is σ = 344787327954. Its totient is φ = 344787327952.

The previous prime is 344787327923. The next prime is 344787327967. The reversal of 344787327953 is 359723787443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321923468689 + 22863859264 = 567383^2 + 151208^2 .

It is a cyclic number.

It is not a de Polignac number, because 344787327953 - 2¹² = 344787323857 is a prime.

It is not a weakly prime, because it can be changed into another prime (344787327923) 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, 172393663976 + 172393663977.

It is an arithmetic number, because the mean of its divisors is an integer number (172393663977).

Almost surely, 2^344787327953 is an apocalyptic number.

It is an amenable number.

344787327953 is a deficient number, since it is larger than the sum of its proper divisors (1).

344787327953 is an equidigital number, since it uses as much as digits as its factorization.

344787327953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 106686720, while the sum is 62.

The spelling of 344787327953 in words is "three hundred forty-four billion, seven hundred eighty-seven million, three hundred twenty-seven thousand, nine hundred fifty-three".