33133019977 has 2 divisors, whose sum is σ = 33133019978. Its totient is φ = 33133019976.

The previous prime is 33133019903. The next prime is 33133019981. The reversal of 33133019977 is 77991033133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29472648976 + 3660371001 = 171676^2 + 60501^2 .

It is a cyclic number.

It is not a de Polignac number, because 33133019977 - 2⁷ = 33133019849 is a prime.

It is not a weakly prime, because it can be changed into another prime (33133019987) 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, 16566509988 + 16566509989.

It is an arithmetic number, because the mean of its divisors is an integer number (16566509989).

Almost surely, 2^33133019977 is an apocalyptic number.

It is an amenable number.

33133019977 is a deficient number, since it is larger than the sum of its proper divisors (1).

33133019977 is an equidigital number, since it uses as much as digits as its factorization.

33133019977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 321489, while the sum is 46.

The spelling of 33133019977 in words is "thirty-three billion, one hundred thirty-three million, nineteen thousand, nine hundred seventy-seven".