346706156272897 has 2 divisors, whose sum is σ = 346706156272898. Its totient is φ = 346706156272896.

The previous prime is 346706156272837. The next prime is 346706156272907. The reversal of 346706156272897 is 798272651607643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241382241863361 + 105323914409536 = 15536481^2 + 10262744^2 .

It is a cyclic number.

It is not a de Polignac number, because 346706156272897 - 2¹⁹ = 346706155748609 is a prime.

It is not a weakly prime, because it can be changed into another prime (346706156272837) 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, 173353078136448 + 173353078136449.

It is an arithmetic number, because the mean of its divisors is an integer number (173353078136449).

It is a 1-persistent number, because it is pandigital, but 2⋅346706156272897 = 693412312545794 is not.

Almost surely, 2^{346706156272897} is an apocalyptic number.

It is an amenable number.

346706156272897 is a deficient number, since it is larger than the sum of its proper divisors (1).

346706156272897 is an equidigital number, since it uses as much as digits as its factorization.

346706156272897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280240640, while the sum is 73.

The spelling of 346706156272897 in words is "three hundred forty-six trillion, seven hundred six billion, one hundred fifty-six million, two hundred seventy-two thousand, eight hundred ninety-seven".