8545648361 has 2 divisors, whose sum is σ = 8545648362. Its totient is φ = 8545648360.

The previous prime is 8545648357. The next prime is 8545648379. The reversal of 8545648361 is 1638465458.

8545648361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5778888361 + 2766760000 = 76019^2 + 52600^2 .

It is a cyclic number.

It is not a de Polignac number, because 8545648361 - 2² = 8545648357 is a prime.

It is not a weakly prime, because it can be changed into another prime (8545648061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272824180 + 4272824181.

It is an arithmetic number, because the mean of its divisors is an integer number (4272824181).

Almost surely, 2^8545648361 is an apocalyptic number.

It is an amenable number.

8545648361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8545648361 is an equidigital number, since it uses as much as digits as its factorization.

8545648361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2764800, while the sum is 50.

The square root of 8545648361 is about 92442.6760809097. The cubic root of 8545648361 is about 2044.4743807282.

The spelling of 8545648361 in words is "eight billion, five hundred forty-five million, six hundred forty-eight thousand, three hundred sixty-one".