4460451661 has 2 divisors, whose sum is σ = 4460451662. Its totient is φ = 4460451660.

The previous prime is 4460451649. The next prime is 4460451679. The reversal of 4460451661 is 1661540644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3660976036 + 799475625 = 60506^2 + 28275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4460451661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4460451661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4460451161) 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, 2230225830 + 2230225831.

It is an arithmetic number, because the mean of its divisors is an integer number (2230225831).

Almost surely, 2^4460451661 is an apocalyptic number.

It is an amenable number.

4460451661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4460451661 is an equidigital number, since it uses as much as digits as its factorization.

4460451661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 4460451661 is about 66786.6128876139. The cubic root of 4460451661 is about 1646.1128774547.

The spelling of 4460451661 in words is "four billion, four hundred sixty million, four hundred fifty-one thousand, six hundred sixty-one".