13449217015489 has 16 divisors (see below), whose sum is σ = 14668662859200. Its totient is φ = 12289079664576.

The previous prime is 13449217015477. The next prime is 13449217015501. The reversal of 13449217015489 is 98451071294431.

It is an interprime number because it is at equal distance from previous prime (13449217015477) and next prime (13449217015501).

It is a cyclic number.

It is not a de Polignac number, because 13449217015489 - 2⁹ = 13449217014977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13449217015439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113124714 + ... + 113243539.

It is an arithmetic number, because the mean of its divisors is an integer number (916791428700).

Almost surely, 2^{13449217015489} is an apocalyptic number.

13449217015489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13449217015489 is a deficient number, since it is larger than the sum of its proper divisors (1219445843711).

13449217015489 is a wasteful number, since it uses less digits than its factorization.

13449217015489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226368384.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 13449217015489 in words is "thirteen trillion, four hundred forty-nine billion, two hundred seventeen million, fifteen thousand, four hundred eighty-nine".