33194012811 has 4 divisors (see below), whose sum is σ = 44258683752. Its totient is φ = 22129341872.

The previous prime is 33194012759. The next prime is 33194012849. The reversal of 33194012811 is 11821049133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33194012811 - 2³⁴ = 16014143627 is a prime.

It is a super-2 number, since 2×33194012811² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33194012861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5532335466 + ... + 5532335471.

It is an arithmetic number, because the mean of its divisors is an integer number (11064670938).

Almost surely, 2^33194012811 is an apocalyptic number.

33194012811 is a deficient number, since it is larger than the sum of its proper divisors (11064670941).

33194012811 is a wasteful number, since it uses less digits than its factorization.

33194012811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11064670940.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 33194012811 in words is "thirty-three billion, one hundred ninety-four million, twelve thousand, eight hundred eleven".