4766858487221 has 4 divisors (see below), whose sum is σ = 4767459082092. Its totient is φ = 4766257892352.

The previous prime is 4766858487211. The next prime is 4766858487241. The reversal of 4766858487221 is 1227848586674.

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 2664027874225 + 2102830612996 = 1632185^2 + 1450114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4766858487221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4766858487211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300285530 + ... + 300301403.

It is an arithmetic number, because the mean of its divisors is an integer number (1191864770523).

Almost surely, 2^{4766858487221} is an apocalyptic number.

It is an amenable number.

4766858487221 is a deficient number, since it is larger than the sum of its proper divisors (600594871).

4766858487221 is an equidigital number, since it uses as much as digits as its factorization.

4766858487221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600594870.

The product of its digits is 289013760, while the sum is 68.

The spelling of 4766858487221 in words is "four trillion, seven hundred sixty-six billion, eight hundred fifty-eight million, four hundred eighty-seven thousand, two hundred twenty-one".