1686029240347 has 2 divisors, whose sum is σ = 1686029240348. Its totient is φ = 1686029240346.

The previous prime is 1686029240321. The next prime is 1686029240351. The reversal of 1686029240347 is 7430429206861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1686029240347 - 2¹⁵ = 1686029207579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1686029240294 and 1686029240303.

It is not a weakly prime, because it can be changed into another prime (1686029240317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 843014620173 + 843014620174.

It is an arithmetic number, because the mean of its divisors is an integer number (843014620174).

Almost surely, 2^{1686029240347} is an apocalyptic number.

1686029240347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1686029240347 is an equidigital number, since it uses as much as digits as its factorization.

1686029240347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 1686029240347 in words is "one trillion, six hundred eighty-six billion, twenty-nine million, two hundred forty thousand, three hundred forty-seven".