33123119989 has 2 divisors, whose sum is σ = 33123119990. Its totient is φ = 33123119988.

The previous prime is 33123119969. The next prime is 33123120047. The reversal of 33123119989 is 98991132133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30211654225 + 2911465764 = 173815^2 + 53958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33123119989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33123119969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16561559994 + 16561559995.

It is an arithmetic number, because the mean of its divisors is an integer number (16561559995).

Almost surely, 2^33123119989 is an apocalyptic number.

It is an amenable number.

33123119989 is a deficient number, since it is larger than the sum of its proper divisors (1).

33123119989 is an equidigital number, since it uses as much as digits as its factorization.

33123119989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 49.

The spelling of 33123119989 in words is "thirty-three billion, one hundred twenty-three million, one hundred nineteen thousand, nine hundred eighty-nine".