13581357789 has 16 divisors (see below), whose sum is σ = 18733829184. Its totient is φ = 8745936000.

The previous prime is 13581357787. The next prime is 13581357793. The reversal of 13581357789 is 98775318531.

It is not a de Polignac number, because 13581357789 - 2¹ = 13581357787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13581357787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534199 + ... + 559044.

It is an arithmetic number, because the mean of its divisors is an integer number (1170864324).

Almost surely, 2^13581357789 is an apocalyptic number.

It is an amenable number.

13581357789 is a deficient number, since it is larger than the sum of its proper divisors (5152471395).

13581357789 is a wasteful number, since it uses less digits than its factorization.

13581357789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093388.

The product of its digits is 6350400, while the sum is 57.

The spelling of 13581357789 in words is "thirteen billion, five hundred eighty-one million, three hundred fifty-seven thousand, seven hundred eighty-nine".