33421404411433 has 4 divisors (see below), whose sum is σ = 34324685611780. Its totient is φ = 32518123211088.

The previous prime is 33421404411419. The next prime is 33421404411449. The reversal of 33421404411433 is 33411440412433.

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 18929434535209 + 14491969876224 = 4350797^2 + 3806832^2 .

It is a cyclic number.

It is not a de Polignac number, because 33421404411433 - 2⁵ = 33421404411401 is a prime.

It is a super-2 number, since 2×33421404411433² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 903281200309 = 33421404411433 / (3 + 3 + 4 + 2 + 1 + 4 + 0 + 4 + 4 + 1 + 1 + 4 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33421404411392 and 33421404411401.

It is not an unprimeable number, because it can be changed into a prime (33421404417433) 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, 451640600118 + ... + 451640600191.

It is an arithmetic number, because the mean of its divisors is an integer number (8581171402945).

Almost surely, 2^{33421404411433} is an apocalyptic number.

It is an amenable number.

33421404411433 is a deficient number, since it is larger than the sum of its proper divisors (903281200347).

33421404411433 is an equidigital number, since it uses as much as digits as its factorization.

33421404411433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903281200346.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 33421404411433 its reverse (33411440412433), we get a palindrome (66832844823866).

The spelling of 33421404411433 in words is "thirty-three trillion, four hundred twenty-one billion, four hundred four million, four hundred eleven thousand, four hundred thirty-three".