1318193684299 has 16 divisors (see below), whose sum is σ = 1365036318720. Its totient is φ = 1271444257440.

The previous prime is 1318193684293. The next prime is 1318193684323. The reversal of 1318193684299 is 9924863918131.

It is a cyclic number.

It is not a de Polignac number, because 1318193684299 - 2¹⁷ = 1318193553227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1318193684299.

It is not an unprimeable number, because it can be changed into a prime (1318193684293) 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, 227625094 + ... + 227630884.

It is an arithmetic number, because the mean of its divisors is an integer number (85314769920).

Almost surely, 2^{1318193684299} is an apocalyptic number.

1318193684299 is a deficient number, since it is larger than the sum of its proper divisors (46842634421).

1318193684299 is a wasteful number, since it uses less digits than its factorization.

1318193684299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12450.

The product of its digits is 20155392, while the sum is 64.

The spelling of 1318193684299 in words is "one trillion, three hundred eighteen billion, one hundred ninety-three million, six hundred eighty-four thousand, two hundred ninety-nine".