33144217933 has 2 divisors, whose sum is σ = 33144217934. Its totient is φ = 33144217932.

The previous prime is 33144217913. The next prime is 33144217949. The reversal of 33144217933 is 33971244133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18817803684 + 14326414249 = 137178^2 + 119693^2 .

It is a cyclic number.

It is not a de Polignac number, because 33144217933 - 2¹⁷ = 33144086861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33144217913) 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, 16572108966 + 16572108967.

It is an arithmetic number, because the mean of its divisors is an integer number (16572108967).

Almost surely, 2^33144217933 is an apocalyptic number.

It is an amenable number.

33144217933 is a deficient number, since it is larger than the sum of its proper divisors (1).

33144217933 is an equidigital number, since it uses as much as digits as its factorization.

33144217933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 40.

The spelling of 33144217933 in words is "thirty-three billion, one hundred forty-four million, two hundred seventeen thousand, nine hundred thirty-three".