13628187205 has 8 divisors (see below), whose sum is σ = 16621920504. Its totient is φ = 10723819200.

The previous prime is 13628187197. The next prime is 13628187227. The reversal of 13628187205 is 50278182631.

It can be written as a sum of positive squares in 4 ways, for example, as 219010401 + 13409176804 = 14799^2 + 115798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13628187205 - 2³ = 13628187197 is a prime.

It is a Duffinian 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, 22340986 + ... + 22341595.

It is an arithmetic number, because the mean of its divisors is an integer number (2077740063).

Almost surely, 2^13628187205 is an apocalyptic number.

It is an amenable number.

13628187205 is a deficient number, since it is larger than the sum of its proper divisors (2993733299).

13628187205 is an equidigital number, since it uses as much as digits as its factorization.

13628187205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44682647.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 13628187205 in words is "thirteen billion, six hundred twenty-eight million, one hundred eighty-seven thousand, two hundred five".