346056266399 has 2 divisors, whose sum is σ = 346056266400. Its totient is φ = 346056266398.

The previous prime is 346056266393. The next prime is 346056266419. The reversal of 346056266399 is 993662650643.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346056266399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346056266393) 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, 173028133199 + 173028133200.

It is an arithmetic number, because the mean of its divisors is an integer number (173028133200).

Almost surely, 2^346056266399 is an apocalyptic number.

346056266399 is a deficient number, since it is larger than the sum of its proper divisors (1).

346056266399 is an equidigital number, since it uses as much as digits as its factorization.

346056266399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37791360, while the sum is 59.

The spelling of 346056266399 in words is "three hundred forty-six billion, fifty-six million, two hundred sixty-six thousand, three hundred ninety-nine".