13641399204 has 96 divisors (see below), whose sum is σ = 33631718400. Its totient is φ = 4297104000.

The previous prime is 13641399197. The next prime is 13641399217. The reversal of 13641399204 is 40299314631.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5152209 + ... + 5154855.

It is an arithmetic number, because the mean of its divisors is an integer number (350330400).

Almost surely, 2^13641399204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13641399204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16815859200).

13641399204 is an abundant number, since it is smaller than the sum of its proper divisors (19990319196).

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

13641399204 is a wasteful number, since it uses less digits than its factorization.

13641399204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2991 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 13641399204 in words is "thirteen billion, six hundred forty-one million, three hundred ninety-nine thousand, two hundred four".