4661752321 has 4 divisors (see below), whose sum is σ = 4671865044. Its totient is φ = 4651639600.

The previous prime is 4661752289. The next prime is 4661752339. The reversal of 4661752321 is 1232571664.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 659924721 + 4001827600 = 25689^2 + 63260^2 .

It is a cyclic number.

It is not a de Polignac number, because 4661752321 - 2⁵ = 4661752289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4661752351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055670 + ... + 5056591.

It is an arithmetic number, because the mean of its divisors is an integer number (1167966261).

Almost surely, 2^4661752321 is an apocalyptic number.

It is an amenable number.

4661752321 is a deficient number, since it is larger than the sum of its proper divisors (10112723).

4661752321 is a wasteful number, since it uses less digits than its factorization.

4661752321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112722.

The product of its digits is 60480, while the sum is 37.

The square root of 4661752321 is about 68277.0263046070. The cubic root of 4661752321 is about 1670.5125085056.

The spelling of 4661752321 in words is "four billion, six hundred sixty-one million, seven hundred fifty-two thousand, three hundred twenty-one".