4018195853513 has 4 divisors (see below), whose sum is σ = 4063344121620. Its totient is φ = 3973047585408.

The previous prime is 4018195853437. The next prime is 4018195853519. The reversal of 4018195853513 is 3153585918104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 353391014089 + 3664804839424 = 594467^2 + 1914368^2 .

It is a cyclic number.

It is not a de Polignac number, because 4018195853513 - 2¹⁸ = 4018195591369 is a prime.

It is a super-2 number, since 2×4018195853513² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4018195853519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22574133920 + ... + 22574134097.

It is an arithmetic number, because the mean of its divisors is an integer number (1015836030405).

Almost surely, 2^{4018195853513} is an apocalyptic number.

It is an amenable number.

4018195853513 is a deficient number, since it is larger than the sum of its proper divisors (45148268107).

4018195853513 is an equidigital number, since it uses as much as digits as its factorization.

4018195853513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45148268106.

The product of its (nonzero) digits is 2592000, while the sum is 53.

The spelling of 4018195853513 in words is "four trillion, eighteen billion, one hundred ninety-five million, eight hundred fifty-three thousand, five hundred thirteen".