3213852169284 has 81 divisors (see below), whose sum is σ = 8414515238493. Its totient is φ = 1034242834464.

The previous prime is 3213852169279. The next prime is 3213852169301. The reversal of 3213852169284 is 4829612583123.

The square root of 3213852169284 is 1792722.

It is a perfect power (a square), and thus also a powerful number.

3213852169284 is a `hidden beast` number, since 3 + 2 + 1 + 38 + 521 + 6 + 9 + 2 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1685266119684 + 1528586049600 = 1298178^2 + 1236360^2 .

It is a super-2 number, since 2×3213852169284² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3213852169284.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 311928477 + ... + 311938779.

Almost surely, 2^{3213852169284} is an apocalyptic number.

3213852169284 is the 1792722-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213852169284

3213852169284 is an abundant number, since it is smaller than the sum of its proper divisors (5200663069209).

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

3213852169284 is an equidigital number, since it uses as much as digits as its factorization.

3213852169284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20674 (or 10337 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 3213852169284 in words is "three trillion, two hundred thirteen billion, eight hundred fifty-two million, one hundred sixty-nine thousand, two hundred eighty-four".