13729600705 has 4 divisors (see below), whose sum is σ = 16475520852. Its totient is φ = 10983680560.

The previous prime is 13729600649. The next prime is 13729600711. The reversal of 13729600705 is 50700692731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7283598336 + 6446002369 = 85344^2 + 80287^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13729600705 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372960066 + ... + 1372960075.

It is an arithmetic number, because the mean of its divisors is an integer number (4118880213).

Almost surely, 2^13729600705 is an apocalyptic number.

It is an amenable number.

13729600705 is a deficient number, since it is larger than the sum of its proper divisors (2745920147).

13729600705 is an equidigital number, since it uses as much as digits as its factorization.

13729600705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745920146.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 13729600705 in words is "thirteen billion, seven hundred twenty-nine million, six hundred thousand, seven hundred five".