4766724858221 has 2 divisors, whose sum is σ = 4766724858222. Its totient is φ = 4766724858220.

The previous prime is 4766724858199. The next prime is 4766724858289. The reversal of 4766724858221 is 1228584276674.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2620092568900 + 2146632289321 = 1618670^2 + 1465139^2 .

It is a cyclic number.

It is not a de Polignac number, because 4766724858221 - 2¹⁰ = 4766724857197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4766724858421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2383362429110 + 2383362429111.

It is an arithmetic number, because the mean of its divisors is an integer number (2383362429111).

Almost surely, 2^{4766724858221} is an apocalyptic number.

It is an amenable number.

4766724858221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4766724858221 is an equidigital number, since it uses as much as digits as its factorization.

4766724858221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72253440, while the sum is 62.

The spelling of 4766724858221 in words is "four trillion, seven hundred sixty-six billion, seven hundred twenty-four million, eight hundred fifty-eight thousand, two hundred twenty-one".