13644225706 has 8 divisors (see below), whose sum is σ = 20499511140. Its totient is φ = 6811055328.

The previous prime is 13644225701. The next prime is 13644225719. The reversal of 13644225706 is 60752244631.

It can be written as a sum of positive squares in 2 ways, for example, as 9585389025 + 4058836681 = 97905^2 + 63709^2 .

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 (13644225701) 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, 5527221 + ... + 5529688.

Almost surely, 2^13644225706 is an apocalyptic number.

13644225706 is a deficient number, since it is larger than the sum of its proper divisors (6855285434).

13644225706 is a wasteful number, since it uses less digits than its factorization.

13644225706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11057528.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 13644225706 in words is "thirteen billion, six hundred forty-four million, two hundred twenty-five thousand, seven hundred six".