13717919620441 has 9 divisors (see below), whose sum is σ = 13855463200639. Its totient is φ = 13581728257000.

The previous prime is 13717919620423. The next prime is 13717919620477. The reversal of 13717919620441 is 14402691971731.

The square root of 13717919620441 is 3703771.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13180014724041 + 537904896400 = 3630429^2 + 733420^2 .

It is not a de Polignac number, because 13717919620441 - 2⁵ = 13717919620409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13717919420441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 374062536 + ... + 374099206.

Almost surely, 2^{13717919620441} is an apocalyptic number.

13717919620441 is the 3703771-st square number.

13717919620441 is the 1851886-th centered octagonal number.

It is an amenable number.

13717919620441 is a deficient number, since it is larger than the sum of its proper divisors (137543580198).

13717919620441 is an frugal number, since it uses more digits than its factorization.

13717919620441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73544 (or 36772 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 13717919620441 in words is "thirteen trillion, seven hundred seventeen billion, nine hundred nineteen million, six hundred twenty thousand, four hundred forty-one".