33120333149 has 2 divisors, whose sum is σ = 33120333150. Its totient is φ = 33120333148.

The previous prime is 33120333139. The next prime is 33120333157. The reversal of 33120333149 is 94133302133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33113080900 + 7252249 = 181970^2 + 2693^2 .

It is a cyclic number.

It is not a de Polignac number, because 33120333149 - 2³² = 28825365853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33120333139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16560166574 + 16560166575.

It is an arithmetic number, because the mean of its divisors is an integer number (16560166575).

Almost surely, 2^33120333149 is an apocalyptic number.

It is an amenable number.

33120333149 is a deficient number, since it is larger than the sum of its proper divisors (1).

33120333149 is an equidigital number, since it uses as much as digits as its factorization.

33120333149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 33120333149 in words is "thirty-three billion, one hundred twenty million, three hundred thirty-three thousand, one hundred forty-nine".