4666021004461 has 2 divisors, whose sum is σ = 4666021004462. Its totient is φ = 4666021004460.

The previous prime is 4666021004431. The next prime is 4666021004531. The reversal of 4666021004461 is 1644001206664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3409617645225 + 1256403359236 = 1846515^2 + 1120894^2 .

It is a cyclic number.

It is not a de Polignac number, because 4666021004461 - 2⁵ = 4666021004429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4666021004401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2333010502230 + 2333010502231.

It is an arithmetic number, because the mean of its divisors is an integer number (2333010502231).

Almost surely, 2^{4666021004461} is an apocalyptic number.

It is an amenable number.

4666021004461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4666021004461 is an equidigital number, since it uses as much as digits as its factorization.

4666021004461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 4666021004461 in words is "four trillion, six hundred sixty-six billion, twenty-one million, four thousand, four hundred sixty-one".