13486982218 has 8 divisors (see below), whose sum is σ = 20302468740. Its totient is φ = 6719492640.

The previous prime is 13486982203. The next prime is 13486982219. The reversal of 13486982218 is 81228968431.

It can be written as a sum of positive squares in 2 ways, for example, as 13375616409 + 111365809 = 115653^2 + 10553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13486982219) 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, 11998533 + ... + 11999656.

Almost surely, 2^13486982218 is an apocalyptic number.

13486982218 is a deficient number, since it is larger than the sum of its proper divisors (6815486522).

13486982218 is a wasteful number, since it uses less digits than its factorization.

13486982218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23998472.

The product of its digits is 1327104, while the sum is 52.

The spelling of 13486982218 in words is "thirteen billion, four hundred eighty-six million, nine hundred eighty-two thousand, two hundred eighteen".