13628549553 has 8 divisors (see below), whose sum is σ = 18233419008. Its totient is φ = 9054689904.

The previous prime is 13628549531. The next prime is 13628549563. The reversal of 13628549553 is 35594582631.

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

It is not a de Polignac number, because 13628549553 - 2¹⁰ = 13628548529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13628549496 and 13628549505.

It is not an unprimeable number, because it can be changed into a prime (13628549563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7751425 + ... + 7753182.

It is an arithmetic number, because the mean of its divisors is an integer number (2279177376).

Almost surely, 2^13628549553 is an apocalyptic number.

It is an amenable number.

13628549553 is a deficient number, since it is larger than the sum of its proper divisors (4604869455).

13628549553 is a wasteful number, since it uses less digits than its factorization.

13628549553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15504903.

The product of its digits is 3888000, while the sum is 51.

The spelling of 13628549553 in words is "thirteen billion, six hundred twenty-eight million, five hundred forty-nine thousand, five hundred fifty-three".