33209706812 has 6 divisors (see below), whose sum is σ = 58116986928. Its totient is φ = 16604853404.

The previous prime is 33209706799. The next prime is 33209706823. The reversal of 33209706812 is 21860790233.

It is a super-2 number, since 2×33209706812² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33209706812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4151213348 + ... + 4151213355.

It is an arithmetic number, because the mean of its divisors is an integer number (9686164488).

Almost surely, 2^33209706812 is an apocalyptic number.

It is an amenable number.

33209706812 is a deficient number, since it is larger than the sum of its proper divisors (24907280116).

33209706812 is a wasteful number, since it uses less digits than its factorization.

33209706812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302426707 (or 8302426705 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 33209706812 in words is "thirty-three billion, two hundred nine million, seven hundred six thousand, eight hundred twelve".