13613559271 has 8 divisors (see below), whose sum is σ = 15018336144. Its totient is φ = 12259865280.

The previous prime is 13613559247. The next prime is 13613559301. The reversal of 13613559271 is 17295531631.

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

It is not a de Polignac number, because 13613559271 - 2⁷ = 13613559143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613559371) 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, 12770161 + ... + 12771226.

It is an arithmetic number, because the mean of its divisors is an integer number (1877292018).

Almost surely, 2^13613559271 is an apocalyptic number.

13613559271 is a deficient number, since it is larger than the sum of its proper divisors (1404776873).

13613559271 is a wasteful number, since it uses less digits than its factorization.

13613559271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25541441.

The product of its digits is 170100, while the sum is 43.

The spelling of 13613559271 in words is "thirteen billion, six hundred thirteen million, five hundred fifty-nine thousand, two hundred seventy-one".