33125019149 has 2 divisors, whose sum is σ = 33125019150. Its totient is φ = 33125019148.

The previous prime is 33125019139. The next prime is 33125019173. The reversal of 33125019149 is 94191052133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30232515625 + 2892503524 = 173875^2 + 53782^2 .

It is a cyclic number.

It is not a de Polignac number, because 33125019149 - 2²⁰ = 33123970573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33125019139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16562509574 + 16562509575.

It is an arithmetic number, because the mean of its divisors is an integer number (16562509575).

Almost surely, 2^33125019149 is an apocalyptic number.

It is an amenable number.

33125019149 is a deficient number, since it is larger than the sum of its proper divisors (1).

33125019149 is an equidigital number, since it uses as much as digits as its factorization.

33125019149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 33125019149 in words is "thirty-three billion, one hundred twenty-five million, nineteen thousand, one hundred forty-nine".