3318219273604 has 9 divisors (see below), whose sum is σ = 5806890104407. Its totient is φ = 1659107815204.

The previous prime is 3318219273599. The next prime is 3318219273647. The reversal of 3318219273604 is 4063729128133.

The square root of 3318219273604 is 1821598.

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

It is a super-2 number, since 2×3318219273604² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 3187797 + ... + 4098595.

Almost surely, 2^{3318219273604} is an apocalyptic number.

3318219273604 is the 1821598-th square number.

It is an amenable number.

3318219273604 is a deficient number, since it is larger than the sum of its proper divisors (2488670830803).

3318219273604 is an frugal number, since it uses more digits than its factorization.

3318219273604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821602 (or 910801 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

Multiplying 3318219273604 by its sum of digits (49), we get a square (162592744406596 = 12751186²).

The spelling of 3318219273604 in words is "three trillion, three hundred eighteen billion, two hundred nineteen million, two hundred seventy-three thousand, six hundred four".