3408218143 has 4 divisors (see below), whose sum is σ = 3718056168. Its totient is φ = 3098380120.

The previous prime is 3408218117. The next prime is 3408218147. The reversal of 3408218143 is 3418128043.

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

It is not a de Polignac number, because 3408218143 - 2¹⁷ = 3408087071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3408218099 and 3408218108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3408218147) 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, 154918996 + ... + 154919017.

It is an arithmetic number, because the mean of its divisors is an integer number (929514042).

Almost surely, 2^3408218143 is an apocalyptic number.

3408218143 is a deficient number, since it is larger than the sum of its proper divisors (309838025).

3408218143 is a wasteful number, since it uses less digits than its factorization.

3408218143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309838024.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 3408218143 is about 58379.9464114177. The cubic root of 3408218143 is about 1504.9051485643.

It can be divided in two parts, 34082 and 18143, that added together give a palindrome (52225).

The spelling of 3408218143 in words is "three billion, four hundred eight million, two hundred eighteen thousand, one hundred forty-three".