4184520298561 has 2 divisors, whose sum is σ = 4184520298562. Its totient is φ = 4184520298560.

The previous prime is 4184520298547. The next prime is 4184520298589. The reversal of 4184520298561 is 1658920254814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4148289460225 + 36230838336 = 2036735^2 + 190344^2 .

It is a cyclic number.

It is not a de Polignac number, because 4184520298561 - 2¹³ = 4184520290369 is a prime.

It is not a weakly prime, because it can be changed into another prime (4184520298961) 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 as a sum of consecutive naturals, namely, 2092260149280 + 2092260149281.

It is an arithmetic number, because the mean of its divisors is an integer number (2092260149281).

Almost surely, 2^{4184520298561} is an apocalyptic number.

It is an amenable number.

4184520298561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4184520298561 is an equidigital number, since it uses as much as digits as its factorization.

4184520298561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 4184520298561 in words is "four trillion, one hundred eighty-four billion, five hundred twenty million, two hundred ninety-eight thousand, five hundred sixty-one".