1186104698689 has 2 divisors, whose sum is σ = 1186104698690. Its totient is φ = 1186104698688.

The previous prime is 1186104698687. The next prime is 1186104698741. The reversal of 1186104698689 is 9868964016811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 791993203600 + 394111495089 = 889940^2 + 627783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1186104698689 - 2¹ = 1186104698687 is a prime.

Together with 1186104698687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1186104698687) 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, 593052349344 + 593052349345.

It is an arithmetic number, because the mean of its divisors is an integer number (593052349345).

Almost surely, 2^{1186104698689} is an apocalyptic number.

It is an amenable number.

1186104698689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1186104698689 is an equidigital number, since it uses as much as digits as its factorization.

1186104698689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35831808, while the sum is 67.

The spelling of 1186104698689 in words is "one trillion, one hundred eighty-six billion, one hundred four million, six hundred ninety-eight thousand, six hundred eighty-nine".