4497608561 has 2 divisors, whose sum is σ = 4497608562. Its totient is φ = 4497608560.

The previous prime is 4497608551. The next prime is 4497608597. The reversal of 4497608561 is 1658067944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4115992336 + 381616225 = 64156^2 + 19535^2 .

It is a cyclic number.

It is not a de Polignac number, because 4497608561 - 2¹⁰ = 4497607537 is a prime.

It is not a weakly prime, because it can be changed into another prime (4497608551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2248804280 + 2248804281.

It is an arithmetic number, because the mean of its divisors is an integer number (2248804281).

Almost surely, 2^4497608561 is an apocalyptic number.

It is an amenable number.

4497608561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4497608561 is an equidigital number, since it uses as much as digits as its factorization.

4497608561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 4497608561 is about 67064.2122223172. The cubic root of 4497608561 is about 1650.6711149362.

The spelling of 4497608561 in words is "four billion, four hundred ninety-seven million, six hundred eight thousand, five hundred sixty-one".