345403363304497 has 2 divisors, whose sum is σ = 345403363304498. Its totient is φ = 345403363304496.

The previous prime is 345403363304491. The next prime is 345403363304621. The reversal of 345403363304497 is 794403363304543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330803926016256 + 14599437288241 = 18188016^2 + 3820921^2 .

It is a cyclic number.

It is not a de Polignac number, because 345403363304497 - 2¹¹ = 345403363302449 is a prime.

It is not a weakly prime, because it can be changed into another prime (345403363304491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172701681652248 + 172701681652249.

It is an arithmetic number, because the mean of its divisors is an integer number (172701681652249).

Almost surely, 2^{345403363304497} is an apocalyptic number.

It is an amenable number.

345403363304497 is a deficient number, since it is larger than the sum of its proper divisors (1).

345403363304497 is an equidigital number, since it uses as much as digits as its factorization.

345403363304497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117573120, while the sum is 58.

The spelling of 345403363304497 in words is "three hundred forty-five trillion, four hundred three billion, three hundred sixty-three million, three hundred four thousand, four hundred ninety-seven".