33800217049 has 4 divisors (see below), whose sum is σ = 33801404836. Its totient is φ = 33799029264.

The previous prime is 33800217043. The next prime is 33800217107. The reversal of 33800217049 is 94071200833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94071200833 = 17 ⋅5533600049.

It can be written as a sum of positive squares in 2 ways, for example, as 3352410000 + 30447807049 = 57900^2 + 174493^2 .

It is a cyclic number.

It is not a de Polignac number, because 33800217049 - 2⁷ = 33800216921 is a prime.

It is a super-2 number, since 2×33800217049² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33800216999 and 33800217017.

It is not an unprimeable number, because it can be changed into a prime (33800217043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550134 + ... + 608479.

It is an arithmetic number, because the mean of its divisors is an integer number (8450351209).

Almost surely, 2^33800217049 is an apocalyptic number.

It is an amenable number.

33800217049 is a deficient number, since it is larger than the sum of its proper divisors (1187787).

33800217049 is a wasteful number, since it uses less digits than its factorization.

33800217049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187786.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 33800217049 in words is "thirty-three billion, eight hundred million, two hundred seventeen thousand, forty-nine".