133532066449 has 2 divisors, whose sum is σ = 133532066450. Its totient is φ = 133532066448.

The previous prime is 133532066411. The next prime is 133532066461. The reversal of 133532066449 is 944660235331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131203328400 + 2328738049 = 362220^2 + 48257^2 .

It is an emirp because it is prime and its reverse (944660235331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133532066449 - 2¹⁹ = 133531542161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133532066399 and 133532066408.

It is not a weakly prime, because it can be changed into another prime (133532069449) 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, 66766033224 + 66766033225.

It is an arithmetic number, because the mean of its divisors is an integer number (66766033225).

Almost surely, 2^133532066449 is an apocalyptic number.

It is an amenable number.

133532066449 is a deficient number, since it is larger than the sum of its proper divisors (1).

133532066449 is an equidigital number, since it uses as much as digits as its factorization.

133532066449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 133532066449 in words is "one hundred thirty-three billion, five hundred thirty-two million, sixty-six thousand, four hundred forty-nine".