33021868441 has 8 divisors (see below), whose sum is σ = 33165899624. Its totient is φ = 32877895680.

The previous prime is 33021868403. The next prime is 33021868457. The reversal of 33021868441 is 14486812033.

It can be written as a sum of positive squares in 4 ways, for example, as 1209578841 + 31812289600 = 34779^2 + 178360^2 .

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 33021868441 - 2¹⁷ = 33021737369 is a prime.

It is a super-3 number, since 3×33021868441³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33021868394 and 33021868403.

It is not an unprimeable number, because it can be changed into a prime (33021868541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423165 + ... + 1446181.

It is an arithmetic number, because the mean of its divisors is an integer number (4145737453).

Almost surely, 2^33021868441 is an apocalyptic number.

It is an amenable number.

33021868441 is a deficient number, since it is larger than the sum of its proper divisors (144031183).

33021868441 is a wasteful number, since it uses less digits than its factorization.

33021868441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29211.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 33021868441 in words is "thirty-three billion, twenty-one million, eight hundred sixty-eight thousand, four hundred forty-one".