318630084545 has 8 divisors (see below), whose sum is σ = 382757320296. Its totient is φ = 254636588416.

The previous prime is 318630084529. The next prime is 318630084571. The reversal of 318630084545 is 545480036813.

It can be written as a sum of positive squares in 4 ways, for example, as 11810472976 + 306819611569 = 108676^2 + 553913^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 318630084545 - 2⁴ = 318630084529 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 318630084545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33429662 + ... + 33439191.

It is an arithmetic number, because the mean of its divisors is an integer number (47844665037).

Almost surely, 2^318630084545 is an apocalyptic number.

It is an amenable number.

318630084545 is a deficient number, since it is larger than the sum of its proper divisors (64127235751).

318630084545 is an equidigital number, since it uses as much as digits as its factorization.

318630084545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66869811.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 318630084545 in words is "three hundred eighteen billion, six hundred thirty million, eighty-four thousand, five hundred forty-five".