8566450901 has 12 divisors (see below), whose sum is σ = 8965136460. Its totient is φ = 8184813120.

The previous prime is 8566450859. The next prime is 8566450933. The reversal of 8566450901 is 1090546658.

It can be written as a sum of positive squares in 2 ways, for example, as 4603622500 + 3962828401 = 67850^2 + 62951^2 .

It is not a de Polignac number, because 8566450901 - 2¹⁴ = 8566434517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8566450951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489185 + ... + 506393.

It is an arithmetic number, because the mean of its divisors is an integer number (747094705).

Almost surely, 2^8566450901 is an apocalyptic number.

It is an amenable number.

8566450901 is a deficient number, since it is larger than the sum of its proper divisors (398685559).

8566450901 is a wasteful number, since it uses less digits than its factorization.

8566450901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18196 (or 18173 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 8566450901 is about 92555.1235804912. The cubic root of 8566450901 is about 2046.1319805822.

The spelling of 8566450901 in words is "eight billion, five hundred sixty-six million, four hundred fifty thousand, nine hundred one".