33342344021 has 16 divisors (see below), whose sum is σ = 39276782976. Its totient is φ = 27706297536.

The previous prime is 33342344011. The next prime is 33342344027. The reversal of 33342344021 is 12044324333.

It is a cyclic number.

It is not a de Polignac number, because 33342344021 - 2¹⁰ = 33342342997 is a prime.

It is a super-2 number, since 2×33342344021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33342344027) 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, 160631 + ... + 304116.

It is an arithmetic number, because the mean of its divisors is an integer number (2454798936).

Almost surely, 2^33342344021 is an apocalyptic number.

It is an amenable number.

33342344021 is a deficient number, since it is larger than the sum of its proper divisors (5934438955).

33342344021 is a wasteful number, since it uses less digits than its factorization.

33342344021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465068.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 33342344021 its reverse (12044324333), we get a palindrome (45386668354).

The spelling of 33342344021 in words is "thirty-three billion, three hundred forty-two million, three hundred forty-four thousand, twenty-one".