1369368396691 has 2 divisors, whose sum is σ = 1369368396692. Its totient is φ = 1369368396690.

The previous prime is 1369368396653. The next prime is 1369368396779. The reversal of 1369368396691 is 1966938639631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1369368396691 - 2³⁷ = 1231929443219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1369368396691.

It is not a weakly prime, because it can be changed into another prime (1369368396631) 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, 684684198345 + 684684198346.

It is an arithmetic number, because the mean of its divisors is an integer number (684684198346).

Almost surely, 2^{1369368396691} is an apocalyptic number.

1369368396691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369368396691 is an equidigital number, since it uses as much as digits as its factorization.

1369368396691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204073344, while the sum is 70.

The spelling of 1369368396691 in words is "one trillion, three hundred sixty-nine billion, three hundred sixty-eight million, three hundred ninety-six thousand, six hundred ninety-one".