13444013606 has 4 divisors (see below), whose sum is σ = 20166020412. Its totient is φ = 6722006802.

The previous prime is 13444013587. The next prime is 13444013623. The reversal of 13444013606 is 60631044431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60631044431 = 192029 ⋅315739.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361003400 + ... + 3361003403.

It is an arithmetic number, because the mean of its divisors is an integer number (5041505103).

Almost surely, 2^13444013606 is an apocalyptic number.

13444013606 is a deficient number, since it is larger than the sum of its proper divisors (6722006806).

13444013606 is an equidigital number, since it uses as much as digits as its factorization.

13444013606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722006805.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 13444013606 in words is "thirteen billion, four hundred forty-four million, thirteen thousand, six hundred six".