3213865416338 has 8 divisors (see below), whose sum is σ = 4829153062332. Its totient is φ = 1604147728896.

The previous prime is 3213865416337. The next prime is 3213865416371. The reversal of 3213865416338 is 8336145683123.

3213865416338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2252361619369 + 961503796969 = 1500787^2 + 980563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3213865416338.

It is not an unprimeable number, because it can be changed into a prime (3213865416337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392488195 + ... + 1392490502.

Almost surely, 2^{3213865416338} is an apocalyptic number.

3213865416338 is a deficient number, since it is larger than the sum of its proper divisors (1615287645994).

3213865416338 is a wasteful number, since it uses less digits than its factorization.

3213865416338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784979276.

The product of its digits is 7464960, while the sum is 53.

The spelling of 3213865416338 in words is "three trillion, two hundred thirteen billion, eight hundred sixty-five million, four hundred sixteen thousand, three hundred thirty-eight".