13209799680 has 1408 divisors, whose sum is σ = 62820956160. Its totient is φ = 2548039680.

The previous prime is 13209799651. The next prime is 13209799711. The reversal of 13209799680 is 8699790231.

It is a tau number, because it is divible by the number of its divisors (1408).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 180956124 + ... + 180956196.

Almost surely, 2^13209799680 is an apocalyptic number.

13209799680 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 13209799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31410478080).

13209799680 is an abundant number, since it is smaller than the sum of its proper divisors (49611156480).

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

13209799680 is a wasteful number, since it uses less digits than its factorization.

13209799680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 13209799680 in words is "thirteen billion, two hundred nine million, seven hundred ninety-nine thousand, six hundred eighty".