13646423206 has 16 divisors (see below), whose sum is σ = 22047165504. Its totient is φ = 6297508224.

The previous prime is 13646423183. The next prime is 13646423249. The reversal of 13646423206 is 60232464631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190926 + ... + 252478.

It is an arithmetic number, because the mean of its divisors is an integer number (1377947844).

Almost surely, 2^13646423206 is an apocalyptic number.

13646423206 is a deficient number, since it is larger than the sum of its proper divisors (8400742298).

13646423206 is a wasteful number, since it uses less digits than its factorization.

13646423206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70095.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 13646423206 its reverse (60232464631), we get a palindrome (73878887837).

The spelling of 13646423206 in words is "thirteen billion, six hundred forty-six million, four hundred twenty-three thousand, two hundred six".