853499618 has 4 divisors (see below), whose sum is σ = 1280249430. Its totient is φ = 426749808.

The previous prime is 853499599. The next prime is 853499623. The reversal of 853499618 is 816994358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 704000089 + 149499529 = 26533^2 + 12227^2 .

It is a super-2 number, since 2×853499618² = 1456923195852291848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 853499618.

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 as a sum of consecutive naturals, namely, 213374903 + ... + 213374906.

Almost surely, 2^853499618 is an apocalyptic number.

853499618 is a deficient number, since it is larger than the sum of its proper divisors (426749812).

853499618 is a wasteful number, since it uses less digits than its factorization.

853499618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426749811.

The product of its digits is 1866240, while the sum is 53.

The square root of 853499618 is about 29214.7157781827. The cubic root of 853499618 is about 948.5664872811.

The spelling of 853499618 in words is "eight hundred fifty-three million, four hundred ninety-nine thousand, six hundred eighteen".