13671494208 has 84 divisors (see below), whose sum is σ = 39232514880. Its totient is φ = 4551856896.

The previous prime is 13671494203. The next prime is 13671494209. The reversal of 13671494208 is 80249417631.

13671494208 is a `hidden beast` number, since 136 + 7 + 1 + 494 + 20 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (13671494201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497533 + ... + 524291.

Almost surely, 2^13671494208 is an apocalyptic number.

13671494208 is a gapful number since it is divisible by the number (18) 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 13671494208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19616257440).

13671494208 is an abundant number, since it is smaller than the sum of its proper divisors (25561020672).

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

13671494208 is a wasteful number, since it uses less digits than its factorization.

13671494208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27664 (or 27651 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 13671494208 in words is "thirteen billion, six hundred seventy-one million, four hundred ninety-four thousand, two hundred eight".