1317423278089 has 16 divisors (see below), whose sum is σ = 1334236418944. Its totient is φ = 1300689964800.

The previous prime is 1317423278081. The next prime is 1317423278159. The reversal of 1317423278089 is 9808723247131.

It is a cyclic number.

It is not a de Polignac number, because 1317423278089 - 2³ = 1317423278081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317423278081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212108194 + ... + 212114404.

It is an arithmetic number, because the mean of its divisors is an integer number (83389776184).

Almost surely, 2^{1317423278089} is an apocalyptic number.

It is an amenable number.

1317423278089 is a deficient number, since it is larger than the sum of its proper divisors (16813140855).

1317423278089 is a wasteful number, since it uses less digits than its factorization.

1317423278089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12208.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 1317423278089 in words is "one trillion, three hundred seventeen billion, four hundred twenty-three million, two hundred seventy-eight thousand, eighty-nine".