6535141243 has 16 divisors (see below), whose sum is σ = 6830835616. Its totient is φ = 6245994240.

The previous prime is 6535141237. The next prime is 6535141289. The reversal of 6535141243 is 3421415356.

It is a cyclic number.

It is not a de Polignac number, because 6535141243 - 2¹³ = 6535133051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6535141199 and 6535141208.

It is not an unprimeable number, because it can be changed into a prime (6535147243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2330080 + ... + 2332882.

It is an arithmetic number, because the mean of its divisors is an integer number (426927226).

Almost surely, 2^6535141243 is an apocalyptic number.

6535141243 is a deficient number, since it is larger than the sum of its proper divisors (295694373).

6535141243 is a wasteful number, since it uses less digits than its factorization.

6535141243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934.

The product of its digits is 43200, while the sum is 34.

The square root of 6535141243 is about 80840.2204536826. The cubic root of 6535141243 is about 1869.6127428806.

Adding to 6535141243 its reverse (3421415356), we get a palindrome (9956556599).

The spelling of 6535141243 in words is "six billion, five hundred thirty-five million, one hundred forty-one thousand, two hundred forty-three".