13665482017 has 4 divisors (see below), whose sum is σ = 14907798576. Its totient is φ = 12423165460.

The previous prime is 13665482009. The next prime is 13665482021. The reversal of 13665482017 is 71028456631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71028456631 = 11 ⋅6457132421.

It is a cyclic number.

It is not a de Polignac number, because 13665482017 - 2³ = 13665482009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13665482057) 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, 621158263 + ... + 621158284.

It is an arithmetic number, because the mean of its divisors is an integer number (3726949644).

Almost surely, 2^13665482017 is an apocalyptic number.

It is an amenable number.

13665482017 is a deficient number, since it is larger than the sum of its proper divisors (1242316559).

13665482017 is a wasteful number, since it uses less digits than its factorization.

13665482017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242316558.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 13665482017 in words is "thirteen billion, six hundred sixty-five million, four hundred eighty-two thousand, seventeen".