6018538599441 has 9 divisors (see below), whose sum is σ = 8693455274491. Its totient is φ = 4012354159752.

The previous prime is 6018538599439. The next prime is 6018538599449. The reversal of 6018538599441 is 1449958358106.

The square root of 6018538599441 is 2453271.

It is a perfect power (a square), and thus also a powerful number.

6018538599441 is a `hidden beast` number, since 6 + 0 + 1 + 8 + 5 + 38 + 599 + 4 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5092717457025 + 925821142416 = 2256705^2 + 962196^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 6018538599441 - 2¹ = 6018538599439 is a prime.

It is a super-2 number, since 2×6018538599441² (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 (6018538599449) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6950935 + ... + 7768691.

Almost surely, 2^{6018538599441} is an apocalyptic number.

6018538599441 is the 2453271-st square number.

6018538599441 is the 1226636-th centered octagonal number.

It is an amenable number.

6018538599441 is a deficient number, since it is larger than the sum of its proper divisors (2674916675050).

6018538599441 is an frugal number, since it uses more digits than its factorization.

6018538599441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635520 (or 817760 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 6018538599441 in words is "six trillion, eighteen billion, five hundred thirty-eight million, five hundred ninety-nine thousand, four hundred forty-one".