13495987218 has 64 divisors (see below), whose sum is σ = 31035029760. Its totient is φ = 3832676352.

The previous prime is 13495987213. The next prime is 13495987231. The reversal of 13495987218 is 81278959431.

It is not an unprimeable number, because it can be changed into a prime (13495987213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11088946 + ... + 11090162.

It is an arithmetic number, because the mean of its divisors is an integer number (484922340).

Almost surely, 2^13495987218 is an apocalyptic number.

13495987218 is an abundant number, since it is smaller than the sum of its proper divisors (17539042542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13495987218 is a wasteful number, since it uses less digits than its factorization.

13495987218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611.

The product of its digits is 4354560, while the sum is 57.

The spelling of 13495987218 in words is "thirteen billion, four hundred ninety-five million, nine hundred eighty-seven thousand, two hundred eighteen".