13585479500 has 48 divisors (see below), whose sum is σ = 29852895072. Its totient is φ = 5400820800.

The previous prime is 13585479499. The next prime is 13585479533. The reversal of 13585479500 is 597458531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847 + ... + 164846.

It is an arithmetic number, because the mean of its divisors is an integer number (621935314).

Almost surely, 2^13585479500 is an apocalyptic number.

13585479500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13585479500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14926447536).

13585479500 is an abundant number, since it is smaller than the sum of its proper divisors (16267415572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13585479500 is a wasteful number, since it uses less digits than its factorization.

13585479500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166875 (or 166863 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 13585479500 in words is "thirteen billion, five hundred eighty-five million, four hundred seventy-nine thousand, five hundred".