1368366904243 has 2 divisors, whose sum is σ = 1368366904244. Its totient is φ = 1368366904242.

The previous prime is 1368366904237. The next prime is 1368366904253. The reversal of 1368366904243 is 3424096638631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1368366904243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1368366904253) 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, 684183452121 + 684183452122.

It is an arithmetic number, because the mean of its divisors is an integer number (684183452122).

Almost surely, 2^{1368366904243} is an apocalyptic number.

1368366904243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368366904243 is an equidigital number, since it uses as much as digits as its factorization.

1368366904243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13436928, while the sum is 55.

The spelling of 1368366904243 in words is "one trillion, three hundred sixty-eight billion, three hundred sixty-six million, nine hundred four thousand, two hundred forty-three".