340300297993 has 2 divisors, whose sum is σ = 340300297994. Its totient is φ = 340300297992.

The previous prime is 340300297991. The next prime is 340300298077. The reversal of 340300297993 is 399792003043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266919989449 + 73380308544 = 516643^2 + 270888^2 .

It is a cyclic number.

It is not a de Polignac number, because 340300297993 - 2¹ = 340300297991 is a prime.

Together with 340300297991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340300297991) 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, 170150148996 + 170150148997.

It is an arithmetic number, because the mean of its divisors is an integer number (170150148997).

Almost surely, 2^340300297993 is an apocalyptic number.

It is an amenable number.

340300297993 is a deficient number, since it is larger than the sum of its proper divisors (1).

340300297993 is an equidigital number, since it uses as much as digits as its factorization.

340300297993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The spelling of 340300297993 in words is "three hundred forty billion, three hundred million, two hundred ninety-seven thousand, nine hundred ninety-three".