33803606149 has 4 divisors (see below), whose sum is σ = 34717217164. Its totient is φ = 32889995136.

The previous prime is 33803606131. The next prime is 33803606183. The reversal of 33803606149 is 94160630833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94160630833 = 23 ⋅4093940471.

It can be written as a sum of positive squares in 2 ways, for example, as 22314981924 + 11488624225 = 149382^2 + 107185^2 .

It is a cyclic number.

It is not a de Polignac number, because 33803606149 - 2¹³ = 33803597957 is a prime.

It is a super-2 number, since 2×33803606149² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33803606119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456805452 + ... + 456805525.

It is an arithmetic number, because the mean of its divisors is an integer number (8679304291).

Almost surely, 2^33803606149 is an apocalyptic number.

It is an amenable number.

33803606149 is a deficient number, since it is larger than the sum of its proper divisors (913611015).

33803606149 is an equidigital number, since it uses as much as digits as its factorization.

33803606149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913611014.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 33803606149 in words is "thirty-three billion, eight hundred three million, six hundred six thousand, one hundred forty-nine".