8636866141 has 2 divisors, whose sum is σ = 8636866142. Its totient is φ = 8636866140.

The previous prime is 8636866067. The next prime is 8636866153. The reversal of 8636866141 is 1416686368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5159405241 + 3477460900 = 71829^2 + 58970^2 .

It is a cyclic number.

It is not a de Polignac number, because 8636866141 - 2¹⁷ = 8636735069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8636866241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4318433070 + 4318433071.

It is an arithmetic number, because the mean of its divisors is an integer number (4318433071).

Almost surely, 2^8636866141 is an apocalyptic number.

It is an amenable number.

8636866141 is a deficient number, since it is larger than the sum of its proper divisors (1).

8636866141 is an equidigital number, since it uses as much as digits as its factorization.

8636866141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 49.

The square root of 8636866141 is about 92934.7413027012. The cubic root of 8636866141 is about 2051.7230123292.

The spelling of 8636866141 in words is "eight billion, six hundred thirty-six million, eight hundred sixty-six thousand, one hundred forty-one".