536444135618 has 16 divisors (see below), whose sum is σ = 835985924280. Its totient is φ = 257861552256.

The previous prime is 536444135599. The next prime is 536444135621. The reversal of 536444135618 is 816531444635.

It can be written as a sum of positive squares in 4 ways, for example, as 298976023369 + 237468112249 = 546787^2 + 487307^2 .

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, 19834205 + ... + 19861232.

Almost surely, 2^536444135618 is an apocalyptic number.

536444135618 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

536444135618 is a deficient number, since it is larger than the sum of its proper divisors (299541788662).

536444135618 is a wasteful number, since it uses less digits than its factorization.

536444135618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39695701.

The product of its digits is 4147200, while the sum is 50.

The spelling of 536444135618 in words is "five hundred thirty-six billion, four hundred forty-four million, one hundred thirty-five thousand, six hundred eighteen".