1326091745471 has 2 divisors, whose sum is σ = 1326091745472. Its totient is φ = 1326091745470.

The previous prime is 1326091745441. The next prime is 1326091745491. The reversal of 1326091745471 is 1745471906231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326091745471 is a prime.

It is a super-3 number, since 3×1326091745471³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326091745411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663045872735 + 663045872736.

It is an arithmetic number, because the mean of its divisors is an integer number (663045872736).

Almost surely, 2^{1326091745471} is an apocalyptic number.

1326091745471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326091745471 is an equidigital number, since it uses as much as digits as its factorization.

1326091745471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 1326091745471 in words is "one trillion, three hundred twenty-six billion, ninety-one million, seven hundred forty-five thousand, four hundred seventy-one".