13413537680 has 40 divisors (see below), whose sum is σ = 31268832000. Its totient is φ = 5351246208.

The previous prime is 13413537661. The next prime is 13413537713. The reversal of 13413537680 is 8673531431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190880 + ... + 251519.

It is an arithmetic number, because the mean of its divisors is an integer number (781720800).

Almost surely, 2^13413537680 is an apocalyptic number.

13413537680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13413537680 is an abundant number, since it is smaller than the sum of its proper divisors (17855294320).

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

13413537680 is a wasteful number, since it uses less digits than its factorization.

13413537680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442791 (or 442785 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 13413537680 in words is "thirteen billion, four hundred thirteen million, five hundred thirty-seven thousand, six hundred eighty".