6541654613 has 32 divisors (see below), whose sum is σ = 7396220160. Its totient is φ = 5744148480.

The previous prime is 6541654597. The next prime is 6541654631. The reversal of 6541654613 is 3164561456.

It is a cyclic number.

It is not a de Polignac number, because 6541654613 - 2⁴ = 6541654597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541654663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10366808 + ... + 10367438.

It is an arithmetic number, because the mean of its divisors is an integer number (231131880).

Almost surely, 2^6541654613 is an apocalyptic number.

It is an amenable number.

6541654613 is a deficient number, since it is larger than the sum of its proper divisors (854565547).

6541654613 is a wasteful number, since it uses less digits than its factorization.

6541654613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037.

The product of its digits is 259200, while the sum is 41.

The square root of 6541654613 is about 80880.4958750872. The cubic root of 6541654613 is about 1870.2336647398.

The spelling of 6541654613 in words is "six billion, five hundred forty-one million, six hundred fifty-four thousand, six hundred thirteen".