344545758397 has 2 divisors, whose sum is σ = 344545758398. Its totient is φ = 344545758396.

The previous prime is 344545758343. The next prime is 344545758407. The reversal of 344545758397 is 793857545443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223529438521 + 121016319876 = 472789^2 + 347874^2 .

It is a cyclic number.

It is not a de Polignac number, because 344545758397 - 2³¹ = 342398274749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344545758317) 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 as a sum of consecutive naturals, namely, 172272879198 + 172272879199.

It is an arithmetic number, because the mean of its divisors is an integer number (172272879199).

Almost surely, 2^344545758397 is an apocalyptic number.

It is an amenable number.

344545758397 is a deficient number, since it is larger than the sum of its proper divisors (1).

344545758397 is an equidigital number, since it uses as much as digits as its factorization.

344545758397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016000, while the sum is 64.

The spelling of 344545758397 in words is "three hundred forty-four billion, five hundred forty-five million, seven hundred fifty-eight thousand, three hundred ninety-seven".