33441334021 has 4 divisors (see below), whose sum is σ = 34594483500. Its totient is φ = 32288184544.

The previous prime is 33441333977. The next prime is 33441334027. The reversal of 33441334021 is 12043314433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12043314433 = 3467 ⋅3473699.

It can be written as a sum of positive squares in 2 ways, for example, as 13159301796 + 20282032225 = 114714^2 + 142415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33441334021 is a prime.

It is a super-2 number, since 2×33441334021² (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 (33441334027) 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, 576574696 + ... + 576574753.

It is an arithmetic number, because the mean of its divisors is an integer number (8648620875).

Almost surely, 2^33441334021 is an apocalyptic number.

It is an amenable number.

33441334021 is a deficient number, since it is larger than the sum of its proper divisors (1153149479).

33441334021 is a wasteful number, since it uses less digits than its factorization.

33441334021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153149478.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 33441334021 its reverse (12043314433), we get a palindrome (45484648454).

The spelling of 33441334021 in words is "thirty-three billion, four hundred forty-one million, three hundred thirty-four thousand, twenty-one".