6541202013 has 24 divisors (see below), whose sum is σ = 9271920672. Its totient is φ = 4101137664.

The previous prime is 6541201993. The next prime is 6541202023. The reversal of 6541202013 is 3102021456.

It is not a de Polignac number, because 6541202013 - 2⁶ = 6541201949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541202023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1720831 + ... + 1724627.

It is an arithmetic number, because the mean of its divisors is an integer number (386330028).

Almost surely, 2^6541202013 is an apocalyptic number.

It is an amenable number.

6541202013 is a deficient number, since it is larger than the sum of its proper divisors (2730718659).

6541202013 is a wasteful number, since it uses less digits than its factorization.

6541202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821 (or 5804 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 6541202013 is about 80877.6978715393. The cubic root of 6541202013 is about 1870.1905315505.

Adding to 6541202013 its reverse (3102021456), we get a palindrome (9643223469).

The spelling of 6541202013 in words is "six billion, five hundred forty-one million, two hundred two thousand, thirteen".