13679629066 has 4 divisors (see below), whose sum is σ = 20519443602. Its totient is φ = 6839814532.

The previous prime is 13679629013. The next prime is 13679629069. The reversal of 13679629066 is 66092697631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13102236225 + 577392841 = 114465^2 + 24029^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13679628998 and 13679629016.

It is not an unprimeable number, because it can be changed into a prime (13679629069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419907265 + ... + 3419907268.

Almost surely, 2^13679629066 is an apocalyptic number.

13679629066 is a deficient number, since it is larger than the sum of its proper divisors (6839814536).

13679629066 is an equidigital number, since it uses as much as digits as its factorization.

13679629066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839814535.

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 13679629066 in words is "thirteen billion, six hundred seventy-nine million, six hundred twenty-nine thousand, sixty-six".