33421404044433 has 16 divisors (see below), whose sum is σ = 46509295847040. Its totient is φ = 21307638764544.

The previous prime is 33421404044377. The next prime is 33421404044437. The reversal of 33421404044433 is 33444040412433.

It is not a de Polignac number, because 33421404044433 - 2¹² = 33421404040337 is a prime.

It is a super-2 number, since 2×33421404044433² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33421404044391 and 33421404044400.

It is not an unprimeable number, because it can be changed into a prime (33421404044437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51503818 + ... + 52148691.

It is an arithmetic number, because the mean of its divisors is an integer number (2906830990440).

Almost surely, 2^{33421404044433} is an apocalyptic number.

It is an amenable number.

33421404044433 is a deficient number, since it is larger than the sum of its proper divisors (13087891802607).

33421404044433 is a wasteful number, since it uses less digits than its factorization.

33421404044433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103657208.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 33421404044433 its reverse (33444040412433), we get a palindrome (66865444456866).

The spelling of 33421404044433 in words is "thirty-three trillion, four hundred twenty-one billion, four hundred four million, forty-four thousand, four hundred thirty-three".