1286006380387 has 2 divisors, whose sum is σ = 1286006380388. Its totient is φ = 1286006380386.

The previous prime is 1286006380369. The next prime is 1286006380409. The reversal of 1286006380387 is 7830836006821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1286006380387 - 2⁷ = 1286006380259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1286006480387) 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, 643003190193 + 643003190194.

It is an arithmetic number, because the mean of its divisors is an integer number (643003190194).

Almost surely, 2^{1286006380387} is an apocalyptic number.

1286006380387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1286006380387 is an equidigital number, since it uses as much as digits as its factorization.

1286006380387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 1286006380387 in words is "one trillion, two hundred eighty-six billion, six million, three hundred eighty thousand, three hundred eighty-seven".