4660313221 has 2 divisors, whose sum is σ = 4660313222. Its totient is φ = 4660313220.

The previous prime is 4660313209. The next prime is 4660313233. The reversal of 4660313221 is 1223130664.

It is a balanced prime because it is at equal distance from previous prime (4660313209) and next prime (4660313233).

It can be written as a sum of positive squares in only one way, i.e., 3952008225 + 708304996 = 62865^2 + 26614^2 .

It is a cyclic number.

It is not a de Polignac number, because 4660313221 - 2²⁵ = 4626758789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4660313221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4660313201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330156610 + 2330156611.

It is an arithmetic number, because the mean of its divisors is an integer number (2330156611).

Almost surely, 2^4660313221 is an apocalyptic number.

It is an amenable number.

4660313221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4660313221 is an equidigital number, since it uses as much as digits as its factorization.

4660313221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 4660313221 is about 68266.4868072175. The cubic root of 4660313221 is about 1670.3405930394.

Adding to 4660313221 its reverse (1223130664), we get a palindrome (5883443885).

The spelling of 4660313221 in words is "four billion, six hundred sixty million, three hundred thirteen thousand, two hundred twenty-one".