3213648396388 has 48 divisors (see below), whose sum is σ = 6027067436544. Its totient is φ = 1494030021120.

The previous prime is 3213648396373. The next prime is 3213648396437. The reversal of 3213648396388 is 8836938463123.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1177606 + ... + 2795362.

It is an arithmetic number, because the mean of its divisors is an integer number (125563904928).

Almost surely, 2^{3213648396388} is an apocalyptic number.

It is an amenable number.

3213648396388 is a deficient number, since it is larger than the sum of its proper divisors (2813419040156).

3213648396388 is a wasteful number, since it uses less digits than its factorization.

3213648396388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618132 (or 1618130 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 64.

The spelling of 3213648396388 in words is "three trillion, two hundred thirteen billion, six hundred forty-eight million, three hundred ninety-six thousand, three hundred eighty-eight".