33607850990869 has 4 divisors (see below), whose sum is σ = 33608019262860. Its totient is φ = 33607682718880.

The previous prime is 33607850990843. The next prime is 33607850990873. The reversal of 33607850990869 is 96809905870633.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19776369325969 + 13831481664900 = 4447063^2 + 3719070^2 .

It is a cyclic number.

It is not a de Polignac number, because 33607850990869 - 2¹³ = 33607850982677 is a prime.

It is a super-2 number, since 2×33607850990869² (a number of 28 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 (33607850990899) 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, 83836054 + ... + 84235975.

It is an arithmetic number, because the mean of its divisors is an integer number (8402004815715).

Almost surely, 2^{33607850990869} is an apocalyptic number.

It is an amenable number.

33607850990869 is a deficient number, since it is larger than the sum of its proper divisors (168271991).

33607850990869 is a wasteful number, since it uses less digits than its factorization.

33607850990869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168271990.

The product of its (nonzero) digits is 529079040, while the sum is 73.

The spelling of 33607850990869 in words is "thirty-three trillion, six hundred seven billion, eight hundred fifty million, nine hundred ninety thousand, eight hundred sixty-nine".