1326362107691 has 2 divisors, whose sum is σ = 1326362107692. Its totient is φ = 1326362107690.

The previous prime is 1326362107657. The next prime is 1326362107703. The reversal of 1326362107691 is 1967012636231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326362107691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1326362107391) 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, 663181053845 + 663181053846.

It is an arithmetic number, because the mean of its divisors is an integer number (663181053846).

Almost surely, 2^{1326362107691} is an apocalyptic number.

1326362107691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326362107691 is an equidigital number, since it uses as much as digits as its factorization.

1326362107691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 1326362107691 in words is "one trillion, three hundred twenty-six billion, three hundred sixty-two million, one hundred seven thousand, six hundred ninety-one".