3218834718859 has 4 divisors (see below), whose sum is σ = 3248365312720. Its totient is φ = 3189304125000.

The previous prime is 3218834718829. The next prime is 3218834718871. The reversal of 3218834718859 is 9588174388123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3218834718859 - 2¹⁹ = 3218834194571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3218834718794 and 3218834718803.

It is not an unprimeable number, because it can be changed into a prime (3218834718829) 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, 14765296767 + ... + 14765296984.

It is an arithmetic number, because the mean of its divisors is an integer number (812091328180).

Almost surely, 2^{3218834718859} is an apocalyptic number.

3218834718859 is a deficient number, since it is larger than the sum of its proper divisors (29530593861).

3218834718859 is a wasteful number, since it uses less digits than its factorization.

3218834718859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29530593860.

The product of its digits is 92897280, while the sum is 67.

The spelling of 3218834718859 in words is "three trillion, two hundred eighteen billion, eight hundred thirty-four million, seven hundred eighteen thousand, eight hundred fifty-nine".