33153249121 has 2 divisors, whose sum is σ = 33153249122. Its totient is φ = 33153249120.

The previous prime is 33153249079. The next prime is 33153249127. The reversal of 33153249121 is 12194235133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25046227600 + 8107021521 = 158260^2 + 90039^2 .

It is a cyclic number.

It is not a de Polignac number, because 33153249121 - 2¹⁹ = 33152724833 is a prime.

It is not a weakly prime, because it can be changed into another prime (33153249127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16576624560 + 16576624561.

It is an arithmetic number, because the mean of its divisors is an integer number (16576624561).

Almost surely, 2^33153249121 is an apocalyptic number.

It is an amenable number.

33153249121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33153249121 is an equidigital number, since it uses as much as digits as its factorization.

33153249121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The spelling of 33153249121 in words is "thirty-three billion, one hundred fifty-three million, two hundred forty-nine thousand, one hundred twenty-one".