1326875543677 has 2 divisors, whose sum is σ = 1326875543678. Its totient is φ = 1326875543676.

The previous prime is 1326875543657. The next prime is 1326875543783. The reversal of 1326875543677 is 7763455786231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1326392159481 + 483384196 = 1151691^2 + 21986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326875543677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326875543657) 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, 663437771838 + 663437771839.

It is an arithmetic number, because the mean of its divisors is an integer number (663437771839).

Almost surely, 2^{1326875543677} is an apocalyptic number.

It is an amenable number.

1326875543677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326875543677 is an equidigital number, since it uses as much as digits as its factorization.

1326875543677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 177811200, while the sum is 64.

The spelling of 1326875543677 in words is "one trillion, three hundred twenty-six billion, eight hundred seventy-five million, five hundred forty-three thousand, six hundred seventy-seven".