2318519845 has 8 divisors (see below), whose sum is σ = 2789164440. Its totient is φ = 1850188800.

The previous prime is 2318519837. The next prime is 2318519849. The reversal of 2318519845 is 5489158132.

It can be written as a sum of positive squares in 4 ways, for example, as 261080964 + 2057438881 = 16158^2 + 45359^2 .

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

It is not a de Polignac number, because 2318519845 - 2³ = 2318519837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2318519795 and 2318519804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318519849) 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, 576180 + ... + 580189.

It is an arithmetic number, because the mean of its divisors is an integer number (348645555).

Almost surely, 2^2318519845 is an apocalyptic number.

It is an amenable number.

2318519845 is a deficient number, since it is larger than the sum of its proper divisors (470644595).

2318519845 is a wasteful number, since it uses less digits than its factorization.

2318519845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156775.

The product of its digits is 345600, while the sum is 46.

The square root of 2318519845 is about 48151.0108408951. The cubic root of 2318519845 is about 1323.5395980232.

The spelling of 2318519845 in words is "two billion, three hundred eighteen million, five hundred nineteen thousand, eight hundred forty-five".