33011066797 has 2 divisors, whose sum is σ = 33011066798. Its totient is φ = 33011066796.

The previous prime is 33011066747. The next prime is 33011066819. The reversal of 33011066797 is 79766011033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31836908041 + 1174158756 = 178429^2 + 34266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33011066797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33011066747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16505533398 + 16505533399.

It is an arithmetic number, because the mean of its divisors is an integer number (16505533399).

Almost surely, 2^33011066797 is an apocalyptic number.

It is an amenable number.

33011066797 is a deficient number, since it is larger than the sum of its proper divisors (1).

33011066797 is an equidigital number, since it uses as much as digits as its factorization.

33011066797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 33011066797 in words is "thirty-three billion, eleven million, sixty-six thousand, seven hundred ninety-seven".