33044212032421 has 4 divisors (see below), whose sum is σ = 33044963610700. Its totient is φ = 33043460454144.

The previous prime is 33044212032401. The next prime is 33044212032431. The reversal of 33044212032421 is 12423021244033.

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 12000065020321 + 21044147012100 = 3464111^2 + 4587390^2 .

It is a cyclic number.

It is not a de Polignac number, because 33044212032421 - 2⁵ = 33044212032389 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 (33044212032401) 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, 375723186 + ... + 375811123.

It is an arithmetic number, because the mean of its divisors is an integer number (8261240902675).

Almost surely, 2^{33044212032421} is an apocalyptic number.

It is an amenable number.

33044212032421 is a deficient number, since it is larger than the sum of its proper divisors (751578279).

33044212032421 is an equidigital number, since it uses as much as digits as its factorization.

33044212032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751578278.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 33044212032421 its reverse (12423021244033), we get a palindrome (45467233276454).

The spelling of 33044212032421 in words is "thirty-three trillion, forty-four billion, two hundred twelve million, thirty-two thousand, four hundred twenty-one".