133320543449 has 2 divisors, whose sum is σ = 133320543450. Its totient is φ = 133320543448.

The previous prime is 133320543439. The next prime is 133320543463. The reversal of 133320543449 is 944345023331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104972760025 + 28347783424 = 323995^2 + 168368^2 .

It is a cyclic number.

It is not a de Polignac number, because 133320543449 - 2⁸ = 133320543193 is a prime.

It is not a weakly prime, because it can be changed into another prime (133320543439) 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, 66660271724 + 66660271725.

It is an arithmetic number, because the mean of its divisors is an integer number (66660271725).

Almost surely, 2^133320543449 is an apocalyptic number.

It is an amenable number.

133320543449 is a deficient number, since it is larger than the sum of its proper divisors (1).

133320543449 is an equidigital number, since it uses as much as digits as its factorization.

133320543449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 133320543449 in words is "one hundred thirty-three billion, three hundred twenty million, five hundred forty-three thousand, four hundred forty-nine".