33144033449 has 2 divisors, whose sum is σ = 33144033450. Its totient is φ = 33144033448.

The previous prime is 33144033443. The next prime is 33144033473. The reversal of 33144033449 is 94433044133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28681793449 + 4462240000 = 169357^2 + 66800^2 .

It is a cyclic number.

It is not a de Polignac number, because 33144033449 - 2⁸ = 33144033193 is a prime.

It is not a weakly prime, because it can be changed into another prime (33144033443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16572016724 + 16572016725.

It is an arithmetic number, because the mean of its divisors is an integer number (16572016725).

Almost surely, 2^33144033449 is an apocalyptic number.

It is an amenable number.

33144033449 is a deficient number, since it is larger than the sum of its proper divisors (1).

33144033449 is an equidigital number, since it uses as much as digits as its factorization.

33144033449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 33144033449 in words is "thirty-three billion, one hundred forty-four million, thirty-three thousand, four hundred forty-nine".