6545018541 has 16 divisors (see below), whose sum is σ = 8979196928. Its totient is φ = 4237531200.

The previous prime is 6545018423. The next prime is 6545018569. The reversal of 6545018541 is 1458105456.

It is not a de Polignac number, because 6545018541 - 2⁷ = 6545018413 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6545018541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545018341) 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, 5556 + ... + 114546.

It is an arithmetic number, because the mean of its divisors is an integer number (561199808).

Almost surely, 2^6545018541 is an apocalyptic number.

It is an amenable number.

6545018541 is a deficient number, since it is larger than the sum of its proper divisors (2434178387).

6545018541 is a wasteful number, since it uses less digits than its factorization.

6545018541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109572.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 6545018541 is about 80901.2888710681. The cubic root of 6545018541 is about 1870.5541877914.

The spelling of 6545018541 in words is "six billion, five hundred forty-five million, eighteen thousand, five hundred forty-one".