3218996219091 has 16 divisors (see below), whose sum is σ = 4343852693376. Its totient is φ = 2120070361856.

The previous prime is 3218996219083. The next prime is 3218996219137. The reversal of 3218996219091 is 1909126998123.

It is a cyclic number.

It is not a de Polignac number, because 3218996219091 - 2³ = 3218996219083 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3218996219071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7736131 + ... + 8141603.

It is an arithmetic number, because the mean of its divisors is an integer number (271490793336).

Almost surely, 2^{3218996219091} is an apocalyptic number.

3218996219091 is a deficient number, since it is larger than the sum of its proper divisors (1124856474285).

3218996219091 is a wasteful number, since it uses less digits than its factorization.

3218996219091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437442.

The product of its (nonzero) digits is 3779136, while the sum is 60.

The spelling of 3218996219091 in words is "three trillion, two hundred eighteen billion, nine hundred ninety-six million, two hundred nineteen thousand, ninety-one".