1316518689 has 16 divisors (see below), whose sum is σ = 1836284544. Its totient is φ = 837408000.

The previous prime is 1316518681. The next prime is 1316518769. The reversal of 1316518689 is 9868156131.

1316518689 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1316518689 - 2³ = 1316518681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316518681) 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, 3879 + ... + 51459.

It is an arithmetic number, because the mean of its divisors is an integer number (114767784).

Almost surely, 2^1316518689 is an apocalyptic number.

It is an amenable number.

1316518689 is a deficient number, since it is larger than the sum of its proper divisors (519765855).

1316518689 is a wasteful number, since it uses less digits than its factorization.

1316518689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48008.

The product of its digits is 311040, while the sum is 48.

The square root of 1316518689 is about 36283.8626527000. The cubic root of 1316518689 is about 1095.9961019917.

The spelling of 1316518689 in words is "one billion, three hundred sixteen million, five hundred eighteen thousand, six hundred eighty-nine".