13680337441 has 4 divisors (see below), whose sum is σ = 13719092292. Its totient is φ = 13641582592.

The previous prime is 13680337403. The next prime is 13680337457. The reversal of 13680337441 is 14473308631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2342560000 + 11337777441 = 48400^2 + 106479^2 .

It is a cyclic number.

It is not a de Polignac number, because 13680337441 - 2¹³ = 13680329249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13680337394 and 13680337403.

It is not an unprimeable number, because it can be changed into a prime (13680335441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19376896 + ... + 19377601.

It is an arithmetic number, because the mean of its divisors is an integer number (3429773073).

Almost surely, 2^13680337441 is an apocalyptic number.

It is an amenable number.

13680337441 is a deficient number, since it is larger than the sum of its proper divisors (38754851).

13680337441 is an equidigital number, since it uses as much as digits as its factorization.

13680337441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38754850.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 13680337441 in words is "thirteen billion, six hundred eighty million, three hundred thirty-seven thousand, four hundred forty-one".