33024421013 has 4 divisors (see below), whose sum is σ = 33792430848. Its totient is φ = 32256411180.

The previous prime is 33024420967. The next prime is 33024421019. The reversal of 33024421013 is 31012442033.

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.

It is a cyclic number.

It is not a de Polignac number, because 33024421013 - 2¹⁶ = 33024355477 is a prime.

It is a super-2 number, since 2×33024421013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33024421013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33024421019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384004853 + ... + 384004938.

It is an arithmetic number, because the mean of its divisors is an integer number (8448107712).

Almost surely, 2^33024421013 is an apocalyptic number.

It is an amenable number.

33024421013 is a deficient number, since it is larger than the sum of its proper divisors (768009835).

33024421013 is an equidigital number, since it uses as much as digits as its factorization.

33024421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768009834.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33024421013 its reverse (31012442033), we get a palindrome (64036863046).

The spelling of 33024421013 in words is "thirty-three billion, twenty-four million, four hundred twenty-one thousand, thirteen".