33804113681 has 8 divisors (see below), whose sum is σ = 36434360424. Its totient is φ = 31178142720.

The previous prime is 33804113677. The next prime is 33804113683. The reversal of 33804113681 is 18631140833.

It can be written as a sum of positive squares in 4 ways, for example, as 124523281 + 33679590400 = 11159^2 + 183520^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33804113681 - 2² = 33804113677 is a prime.

It is a super-2 number, since 2×33804113681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33804113683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052510 + ... + 1084151.

It is an arithmetic number, because the mean of its divisors is an integer number (4554295053).

Almost surely, 2^33804113681 is an apocalyptic number.

It is an amenable number.

33804113681 is a deficient number, since it is larger than the sum of its proper divisors (2630246743).

33804113681 is a wasteful number, since it uses less digits than its factorization.

33804113681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137891.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 33804113681 in words is "thirty-three billion, eight hundred four million, one hundred thirteen thousand, six hundred eighty-one".