1366323246247 has 2 divisors, whose sum is σ = 1366323246248. Its totient is φ = 1366323246246.

The previous prime is 1366323246217. The next prime is 1366323246251. The reversal of 1366323246247 is 7426423236631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1366323246247 - 2²³ = 1366314857639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1366323246247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366323246217) 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, 683161623123 + 683161623124.

It is an arithmetic number, because the mean of its divisors is an integer number (683161623124).

Almost surely, 2^{1366323246247} is an apocalyptic number.

1366323246247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366323246247 is an equidigital number, since it uses as much as digits as its factorization.

1366323246247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 49.

The spelling of 1366323246247 in words is "one trillion, three hundred sixty-six billion, three hundred twenty-three million, two hundred forty-six thousand, two hundred forty-seven".