1285704798347 has 2 divisors, whose sum is σ = 1285704798348. Its totient is φ = 1285704798346.

The previous prime is 1285704798319. The next prime is 1285704798359. The reversal of 1285704798347 is 7438974075821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1285704798347 - 2¹⁰ = 1285704797323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1285704798307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642852399173 + 642852399174.

It is an arithmetic number, because the mean of its divisors is an integer number (642852399174).

Almost surely, 2^{1285704798347} is an apocalyptic number.

1285704798347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285704798347 is an equidigital number, since it uses as much as digits as its factorization.

1285704798347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94832640, while the sum is 65.

The spelling of 1285704798347 in words is "one trillion, two hundred eighty-five billion, seven hundred four million, seven hundred ninety-eight thousand, three hundred forty-seven".