13553147609 has 8 divisors (see below), whose sum is σ = 14351408928. Its totient is φ = 12754999360.

The previous prime is 13553147603. The next prime is 13553147611. The reversal of 13553147609 is 90674135531.

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

It is a de Polignac number, because none of the positive numbers 2^k-13553147609 is a prime.

It is a super-2 number, since 2×13553147609² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13553147609.

It is not an unprimeable number, because it can be changed into a prime (13553147603) 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, 446114 + ... + 475524.

It is an arithmetic number, because the mean of its divisors is an integer number (1793926116).

Almost surely, 2^13553147609 is an apocalyptic number.

It is an amenable number.

13553147609 is a deficient number, since it is larger than the sum of its proper divisors (798261319).

13553147609 is a wasteful number, since it uses less digits than its factorization.

13553147609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56535.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 13553147609 in words is "thirteen billion, five hundred fifty-three million, one hundred forty-seven thousand, six hundred nine".