340733666993 has 2 divisors, whose sum is σ = 340733666994. Its totient is φ = 340733666992.

The previous prime is 340733666971. The next prime is 340733667097. The reversal of 340733666993 is 399666337043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180359047969 + 160374619024 = 424687^2 + 400468^2 .

It is an emirp because it is prime and its reverse (399666337043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340733666993 - 2¹⁰ = 340733665969 is a prime.

It is not a weakly prime, because it can be changed into another prime (340733666393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170366833496 + 170366833497.

It is an arithmetic number, because the mean of its divisors is an integer number (170366833497).

Almost surely, 2^340733666993 is an apocalyptic number.

It is an amenable number.

340733666993 is a deficient number, since it is larger than the sum of its proper divisors (1).

340733666993 is an equidigital number, since it uses as much as digits as its factorization.

340733666993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39680928, while the sum is 59.

The spelling of 340733666993 in words is "three hundred forty billion, seven hundred thirty-three million, six hundred sixty-six thousand, nine hundred ninety-three".