33012199769 has 2 divisors, whose sum is σ = 33012199770. Its totient is φ = 33012199768.

The previous prime is 33012199741. The next prime is 33012199771. The reversal of 33012199769 is 96799121033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18943393225 + 14068806544 = 137635^2 + 118612^2 .

It is an emirp because it is prime and its reverse (96799121033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33012199769 is a prime.

It is a super-2 number, since 2×33012199769² (a number of 22 digits) contains 22 as substring.

Together with 33012199771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33012199789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16506099884 + 16506099885.

It is an arithmetic number, because the mean of its divisors is an integer number (16506099885).

Almost surely, 2^33012199769 is an apocalyptic number.

It is an amenable number.

33012199769 is a deficient number, since it is larger than the sum of its proper divisors (1).

33012199769 is an equidigital number, since it uses as much as digits as its factorization.

33012199769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 50.

The spelling of 33012199769 in words is "thirty-three billion, twelve million, one hundred ninety-nine thousand, seven hundred sixty-nine".