13215808418 has 8 divisors (see below), whose sum is σ = 20685613248. Its totient is φ = 6320604004.

The previous prime is 13215808387. The next prime is 13215808421. The reversal of 13215808418 is 81480851231.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143650046 + ... + 143650137.

It is an arithmetic number, because the mean of its divisors is an integer number (2585701656).

Almost surely, 2^13215808418 is an apocalyptic number.

13215808418 is a deficient number, since it is larger than the sum of its proper divisors (7469804830).

13215808418 is a wasteful number, since it uses less digits than its factorization.

13215808418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287300208.

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 13215808418 in words is "thirteen billion, two hundred fifteen million, eight hundred eight thousand, four hundred eighteen".