849313618 has 8 divisors (see below), whose sum is σ = 1274433660. Its totient is φ = 424502400.

The previous prime is 849313601. The next prime is 849313627. The reversal of 849313618 is 816313948.

It can be written as a sum of positive squares in 2 ways, for example, as 841174009 + 8139609 = 29003^2 + 2853^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 70203 + ... + 81406.

Almost surely, 2^849313618 is an apocalyptic number.

849313618 is a deficient number, since it is larger than the sum of its proper divisors (425120042).

849313618 is a wasteful number, since it uses less digits than its factorization.

849313618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154412.

The product of its digits is 124416, while the sum is 43.

The square root of 849313618 is about 29142.9857427135. The cubic root of 849313618 is about 947.0131928893.

The spelling of 849313618 in words is "eight hundred forty-nine million, three hundred thirteen thousand, six hundred eighteen".