33044198218897 has 2 divisors, whose sum is σ = 33044198218898. Its totient is φ = 33044198218896.

The previous prime is 33044198218891. The next prime is 33044198218907. The reversal of 33044198218897 is 79881289144033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19517168894976 + 13527029323921 = 4417824^2 + 3677911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33044198218897 is a prime.

It is not a weakly prime, because it can be changed into another prime (33044198218891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16522099109448 + 16522099109449.

It is an arithmetic number, because the mean of its divisors is an integer number (16522099109449).

Almost surely, 2^{33044198218897} is an apocalyptic number.

It is an amenable number.

33044198218897 is a deficient number, since it is larger than the sum of its proper divisors (1).

33044198218897 is an equidigital number, since it uses as much as digits as its factorization.

33044198218897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83607552, while the sum is 67.

The spelling of 33044198218897 in words is "thirty-three trillion, forty-four billion, one hundred ninety-eight million, two hundred eighteen thousand, eight hundred ninety-seven".