340551044401349 has 2 divisors, whose sum is σ = 340551044401350. Its totient is φ = 340551044401348.

The previous prime is 340551044401291. The next prime is 340551044401369. The reversal of 340551044401349 is 943104440155043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340377334665124 + 173709736225 = 18449318^2 + 416785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340551044401349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340551044401369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170275522200674 + 170275522200675.

It is an arithmetic number, because the mean of its divisors is an integer number (170275522200675).

Almost surely, 2^{340551044401349} is an apocalyptic number.

It is an amenable number.

340551044401349 is a deficient number, since it is larger than the sum of its proper divisors (1).

340551044401349 is an equidigital number, since it uses as much as digits as its factorization.

340551044401349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 340551044401349 in words is "three hundred forty trillion, five hundred fifty-one billion, forty-four million, four hundred one thousand, three hundred forty-nine".