33441322421 has 16 divisors (see below), whose sum is σ = 39447097200. Its totient is φ = 28051258368.

The previous prime is 33441322379. The next prime is 33441322433. The reversal of 33441322421 is 12422314433.

It can be written as a sum of positive squares in 8 ways, for example, as 11222500 + 33430099921 = 3350^2 + 182839^2 .

It is a cyclic number.

It is not a de Polignac number, because 33441322421 - 2⁶ = 33441322357 is a prime.

It is a super-2 number, since 2×33441322421² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33441322471) 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 15 ways as a sum of consecutive naturals, for example, 2602526 + ... + 2615343.

It is an arithmetic number, because the mean of its divisors is an integer number (2465443575).

Almost surely, 2^33441322421 is an apocalyptic number.

It is an amenable number.

33441322421 is a deficient number, since it is larger than the sum of its proper divisors (6005774779).

33441322421 is a wasteful number, since it uses less digits than its factorization.

33441322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217928.

The product of its digits is 13824, while the sum is 29.

Adding to 33441322421 its reverse (12422314433), we get a palindrome (45863636854).

The spelling of 33441322421 in words is "thirty-three billion, four hundred forty-one million, three hundred twenty-two thousand, four hundred twenty-one".