33033000997 has 2 divisors, whose sum is σ = 33033000998. Its totient is φ = 33033000996.

The previous prime is 33033000989. The next prime is 33033001013. The reversal of 33033000997 is 79900033033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26739117441 + 6293883556 = 163521^2 + 79334^2 .

It is an emirp because it is prime and its reverse (79900033033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33033000997 - 2³ = 33033000989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33033000697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16516500498 + 16516500499.

It is an arithmetic number, because the mean of its divisors is an integer number (16516500499).

Almost surely, 2^33033000997 is an apocalyptic number.

It is an amenable number.

33033000997 is a deficient number, since it is larger than the sum of its proper divisors (1).

33033000997 is an equidigital number, since it uses as much as digits as its factorization.

33033000997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45927, while the sum is 37.

The spelling of 33033000997 in words is "thirty-three billion, thirty-three million, nine hundred ninety-seven", and thus it is an aban number.