6545444611 has 2 divisors, whose sum is σ = 6545444612. Its totient is φ = 6545444610.

The previous prime is 6545444599. The next prime is 6545444617. The reversal of 6545444611 is 1164445456.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6545444611 - 2⁹ = 6545444099 is a prime.

It is not a weakly prime, because it can be changed into another prime (6545444617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272722305 + 3272722306.

It is an arithmetic number, because the mean of its divisors is an integer number (3272722306).

Almost surely, 2^6545444611 is an apocalyptic number.

6545444611 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545444611 is an equidigital number, since it uses as much as digits as its factorization.

6545444611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 40.

The square root of 6545444611 is about 80903.9220989934. The cubic root of 6545444611 is about 1870.5947769165.

The spelling of 6545444611 in words is "six billion, five hundred forty-five million, four hundred forty-four thousand, six hundred eleven".