13495945216 has 72 divisors (see below), whose sum is σ = 29221518690. Its totient is φ = 6228738048.

The previous prime is 13495945207. The next prime is 13495945219. The reversal of 13495945216 is 61254959431.

It can be written as a sum of positive squares in 3 ways, for example, as 5160985600 + 8334959616 = 71840^2 + 91296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13495945216.

It is not an unprimeable number, because it can be changed into a prime (13495945219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326616 + ... + 365608.

Almost surely, 2^13495945216 is an apocalyptic number.

13495945216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13495945216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14610759345).

13495945216 is an abundant number, since it is smaller than the sum of its proper divisors (15725573474).

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

13495945216 is an equidigital number, since it uses as much as digits as its factorization.

13495945216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39041 (or 39008 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The spelling of 13495945216 in words is "thirteen billion, four hundred ninety-five million, nine hundred forty-five thousand, two hundred sixteen".