4660000561 has 2 divisors, whose sum is σ = 4660000562. Its totient is φ = 4660000560.

The previous prime is 4660000493. The next prime is 4660000613. The reversal of 4660000561 is 1650000664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4340306161 + 319694400 = 65881^2 + 17880^2 .

It is a cyclic number.

It is not a de Polignac number, because 4660000561 - 2¹³ = 4659992369 is a prime.

It is not a weakly prime, because it can be changed into another prime (4660000361) 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, 2330000280 + 2330000281.

It is an arithmetic number, because the mean of its divisors is an integer number (2330000281).

Almost surely, 2^4660000561 is an apocalyptic number.

It is an amenable number.

4660000561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4660000561 is an equidigital number, since it uses as much as digits as its factorization.

4660000561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4660000561 is about 68264.1967725396. The cubic root of 4660000561 is about 1670.3032378700.

The spelling of 4660000561 in words is "four billion, six hundred sixty million, five hundred sixty-one", and thus it is an aban number.