13628445626 has 4 divisors (see below), whose sum is σ = 20442668442. Its totient is φ = 6814222812.

The previous prime is 13628445613. The next prime is 13628445631. The reversal of 13628445626 is 62654482631.

13628445626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 10760950225 + 2867495401 = 103735^2 + 53549^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3407111405 + ... + 3407111408.

Almost surely, 2^13628445626 is an apocalyptic number.

13628445626 is a deficient number, since it is larger than the sum of its proper divisors (6814222816).

13628445626 is an equidigital number, since it uses as much as digits as its factorization.

13628445626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814222815.

The product of its digits is 1658880, while the sum is 47.

The spelling of 13628445626 in words is "thirteen billion, six hundred twenty-eight million, four hundred forty-five thousand, six hundred twenty-six".