13680040899 has 8 divisors (see below), whose sum is σ = 20845776640. Its totient is φ = 7817166216.

The previous prime is 13680040897. The next prime is 13680040931. The reversal of 13680040899 is 99804008631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13680040899 - 2¹ = 13680040897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13680040897) 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, 325715239 + ... + 325715280.

It is an arithmetic number, because the mean of its divisors is an integer number (2605722080).

Almost surely, 2^13680040899 is an apocalyptic number.

13680040899 is a deficient number, since it is larger than the sum of its proper divisors (7165735741).

13680040899 is an equidigital number, since it uses as much as digits as its factorization.

13680040899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651430529.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 13680040899 in words is "thirteen billion, six hundred eighty million, forty thousand, eight hundred ninety-nine".