318410608405 has 16 divisors (see below), whose sum is σ = 383350941360. Its totient is φ = 253890736128.

The previous prime is 318410608393. The next prime is 318410608421. The reversal of 318410608405 is 504806014813.

It can be written as a sum of positive squares in 8 ways, for example, as 27904700209 + 290505908196 = 167047^2 + 538986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318410608405 is a prime.

It is a super-3 number, since 3×318410608405³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374429 + ... + 2504941.

It is an arithmetic number, because the mean of its divisors is an integer number (23959433835).

Almost surely, 2^318410608405 is an apocalyptic number.

It is an amenable number.

318410608405 is a deficient number, since it is larger than the sum of its proper divisors (64940332955).

318410608405 is a wasteful number, since it uses less digits than its factorization.

318410608405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132120.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 318410608405 in words is "three hundred eighteen billion, four hundred ten million, six hundred eight thousand, four hundred five".