4563610561 has 2 divisors, whose sum is σ = 4563610562. Its totient is φ = 4563610560.

The previous prime is 4563610523. The next prime is 4563610603. The reversal of 4563610561 is 1650163654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3950751025 + 612859536 = 62855^2 + 24756^2 .

It is a cyclic number.

It is not a de Polignac number, because 4563610561 - 2²⁵ = 4530056129 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4563610561.

It is not a weakly prime, because it can be changed into another prime (4563610501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2281805280 + 2281805281.

It is an arithmetic number, because the mean of its divisors is an integer number (2281805281).

Almost surely, 2^4563610561 is an apocalyptic number.

It is an amenable number.

4563610561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4563610561 is an equidigital number, since it uses as much as digits as its factorization.

4563610561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 4563610561 is about 67554.5006716799. The cubic root of 4563610561 is about 1658.7064196401.

The spelling of 4563610561 in words is "four billion, five hundred sixty-three million, six hundred ten thousand, five hundred sixty-one".