13581612498 has 16 divisors (see below), whose sum is σ = 27623619360. Its totient is φ = 4450471776.

The previous prime is 13581612497. The next prime is 13581612503. The reversal of 13581612498 is 89421618531.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13581612497) 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, 19182715 + ... + 19183422.

It is an arithmetic number, because the mean of its divisors is an integer number (1726476210).

Almost surely, 2^13581612498 is an apocalyptic number.

13581612498 is an abundant number, since it is smaller than the sum of its proper divisors (14042006862).

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

13581612498 is a wasteful number, since it uses less digits than its factorization.

13581612498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38366201.

The product of its digits is 414720, while the sum is 48.

The spelling of 13581612498 in words is "thirteen billion, five hundred eighty-one million, six hundred twelve thousand, four hundred ninety-eight".