33842193109 has 4 divisors (see below), whose sum is σ = 33842598604. Its totient is φ = 33841787616.

The previous prime is 33842193107. The next prime is 33842193113. The reversal of 33842193109 is 90139124833.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3014559025 + 30827634084 = 54905^2 + 175578^2 .

It is a cyclic number.

It is not a de Polignac number, because 33842193109 - 2¹ = 33842193107 is a prime.

It is a super-2 number, since 2×33842193109² (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 (33842193101) 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, 26472 + ... + 261505.

It is an arithmetic number, because the mean of its divisors is an integer number (8460649651).

Almost surely, 2^33842193109 is an apocalyptic number.

It is an amenable number.

33842193109 is a deficient number, since it is larger than the sum of its proper divisors (405495).

33842193109 is a wasteful number, since it uses less digits than its factorization.

33842193109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405494.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 33842193109 in words is "thirty-three billion, eight hundred forty-two million, one hundred ninety-three thousand, one hundred nine".