1313173689 has 8 divisors (see below), whose sum is σ = 1791616992. Its totient is φ = 855089760.

The previous prime is 1313173663. The next prime is 1313173703. The reversal of 1313173689 is 9863713131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313173689 - 2¹⁵ = 1313140921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313173689.

It is not an unprimeable number, because it can be changed into a prime (1313173639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5089692 + ... + 5089949.

It is an arithmetic number, because the mean of its divisors is an integer number (223952124).

Almost surely, 2^1313173689 is an apocalyptic number.

It is an amenable number.

1313173689 is a deficient number, since it is larger than the sum of its proper divisors (478443303).

1313173689 is a wasteful number, since it uses less digits than its factorization.

1313173689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179687.

The product of its digits is 81648, while the sum is 42.

The square root of 1313173689 is about 36237.7384642033. The cubic root of 1313173689 is about 1095.0670820645.

The spelling of 1313173689 in words is "one billion, three hundred thirteen million, one hundred seventy-three thousand, six hundred eighty-nine".