318848485405 has 16 divisors (see below), whose sum is σ = 383988306240. Its totient is φ = 254165910912.

The previous prime is 318848485399. The next prime is 318848485453. The reversal of 318848485405 is 504584848813.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318848485405 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318848485405.

It is a congruent number.

It is an unprimeable number.

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, 4970697 + ... + 5034433.

It is an arithmetic number, because the mean of its divisors is an integer number (23999269140).

Almost surely, 2^318848485405 is an apocalyptic number.

It is an amenable number.

318848485405 is a deficient number, since it is larger than the sum of its proper divisors (65139820835).

318848485405 is a wasteful number, since it uses less digits than its factorization.

318848485405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67308.

The product of its (nonzero) digits is 19660800, while the sum is 58.

The spelling of 318848485405 in words is "three hundred eighteen billion, eight hundred forty-eight million, four hundred eighty-five thousand, four hundred five".