3213565356 has 12 divisors (see below), whose sum is σ = 7498319192. Its totient is φ = 1071188448.

The previous prime is 3213565351. The next prime is 3213565367. The reversal of 3213565356 is 6535653123.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3213565351) 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 3 ways as a sum of consecutive naturals, for example, 133898545 + ... + 133898568.

Almost surely, 2^3213565356 is an apocalyptic number.

It is an amenable number.

3213565356 is an abundant number, since it is smaller than the sum of its proper divisors (4284753836).

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

3213565356 is a wasteful number, since it uses less digits than its factorization.

3213565356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267797120 (or 267797118 counting only the distinct ones).

The product of its digits is 243000, while the sum is 39.

The square root of 3213565356 is about 56688.3176324717. The cubic root of 3213565356 is about 1475.6919639056.

The spelling of 3213565356 in words is "three billion, two hundred thirteen million, five hundred sixty-five thousand, three hundred fifty-six".