13553638306 has 16 divisors (see below), whose sum is σ = 22846267584. Its totient is φ = 5983545744.

The previous prime is 13553638261. The next prime is 13553638349. The reversal of 13553638306 is 60383635531.

It is a super-2 number, since 2×13553638306² (a number of 21 digits) contains 22 as substring.

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, 11331876 + ... + 11333071.

It is an arithmetic number, because the mean of its divisors is an integer number (1427891724).

Almost surely, 2^13553638306 is an apocalyptic number.

13553638306 is a deficient number, since it is larger than the sum of its proper divisors (9292629278).

13553638306 is a wasteful number, since it uses less digits than its factorization.

13553638306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22664985.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 13553638306 in words is "thirteen billion, five hundred fifty-three million, six hundred thirty-eight thousand, three hundred six".