2033404421 has 4 divisors (see below), whose sum is σ = 2098998144. Its totient is φ = 1967810700.

The previous prime is 2033404393. The next prime is 2033404423. The reversal of 2033404421 is 1244043302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1244043302 = 2 ⋅622021651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2033404421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033404423) 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, 32796815 + ... + 32796876.

It is an arithmetic number, because the mean of its divisors is an integer number (524749536).

Almost surely, 2^2033404421 is an apocalyptic number.

It is an amenable number.

2033404421 is a deficient number, since it is larger than the sum of its proper divisors (65593723).

2033404421 is an equidigital number, since it uses as much as digits as its factorization.

2033404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65593722.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2033404421 is about 45093.2857640691. The cubic root of 2033404421 is about 1266.8968446501.

Adding to 2033404421 its reverse (1244043302), we get a palindrome (3277447723).

The spelling of 2033404421 in words is "two billion, thirty-three million, four hundred four thousand, four hundred twenty-one".