33500352021 has 16 divisors (see below), whose sum is σ = 44784576000. Its totient is φ = 22274889728.

The previous prime is 33500352013. The next prime is 33500352059. The reversal of 33500352021 is 12025300533.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33500352021 - 2³ = 33500352013 is a prime.

It is a super-2 number, since 2×33500352021² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33500351982 and 33500352000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33500352091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6582940 + ... + 6588026.

It is an arithmetic number, because the mean of its divisors is an integer number (2799036000).

Almost surely, 2^33500352021 is an apocalyptic number.

It is an amenable number.

33500352021 is a deficient number, since it is larger than the sum of its proper divisors (11284223979).

33500352021 is a wasteful number, since it uses less digits than its factorization.

33500352021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428.

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 33500352021 its reverse (12025300533), we get a palindrome (45525652554).

The spelling of 33500352021 in words is "thirty-three billion, five hundred million, three hundred fifty-two thousand, twenty-one".