4660327721 has 6 divisors (see below), whose sum is σ = 5421197610. Its totient is φ = 3994566576.

The previous prime is 4660327709. The next prime is 4660327739. The reversal of 4660327721 is 1277230664.

It can be written as a sum of positive squares in only one way, i.e., 4659973696 + 354025 = 68264^2 + 595^2 .

It is not a de Polignac number, because 4660327721 - 2¹⁸ = 4660065577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4660326721) 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 in 5 ways as a sum of consecutive naturals, for example, 47554316 + ... + 47554413.

It is an arithmetic number, because the mean of its divisors is an integer number (903532935).

Almost surely, 2^4660327721 is an apocalyptic number.

It is an amenable number.

4660327721 is a deficient number, since it is larger than the sum of its proper divisors (760869889).

4660327721 is an equidigital number, since it uses as much as digits as its factorization.

4660327721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95108743 (or 95108736 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 4660327721 is about 68266.5930085866. The cubic root of 4660327721 is about 1670.3423253917.

The spelling of 4660327721 in words is "four billion, six hundred sixty million, three hundred twenty-seven thousand, seven hundred twenty-one".