3312821408868 has 18 divisors (see below), whose sum is σ = 8374076339174. Its totient is φ = 1104273802944.

The previous prime is 3312821408857. The next prime is 3312821408893. The reversal of 3312821408868 is 8688041282133.

3312821408868 is a `hidden beast` number, since 33 + 128 + 2 + 1 + 408 + 86 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2544478000164 + 768343408704 = 1595142^2 + 876552^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×3312821408868³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 46011408421 + ... + 46011408492.

Almost surely, 2^{3312821408868} is an apocalyptic number.

It is an amenable number.

3312821408868 is an abundant number, since it is smaller than the sum of its proper divisors (5061254930306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3312821408868 is a wasteful number, since it uses less digits than its factorization.

3312821408868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92022816923 (or 92022816918 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 3312821408868 in words is "three trillion, three hundred twelve billion, eight hundred twenty-one million, four hundred eight thousand, eight hundred sixty-eight".