33421234216 has 8 divisors (see below), whose sum is σ = 62664814170. Its totient is φ = 16710617104.

The previous prime is 33421234127. The next prime is 33421234229. The reversal of 33421234216 is 61243212433.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31254704100 + 2166530116 = 176790^2 + 46546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33421234216² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2088827131 + ... + 2088827146.

Almost surely, 2^33421234216 is an apocalyptic number.

It is an amenable number.

33421234216 is a deficient number, since it is larger than the sum of its proper divisors (29243579954).

33421234216 is a wasteful number, since it uses less digits than its factorization.

33421234216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177654283 (or 4177654279 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

Adding to 33421234216 its reverse (61243212433), we get a palindrome (94664446649).

The spelling of 33421234216 in words is "thirty-three billion, four hundred twenty-one million, two hundred thirty-four thousand, two hundred sixteen".