8865927149 has 2 divisors, whose sum is σ = 8865927150. Its totient is φ = 8865927148.

The previous prime is 8865927113. The next prime is 8865927263. The reversal of 8865927149 is 9417295688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8373531049 + 492396100 = 91507^2 + 22190^2 .

It is a cyclic number.

It is not a de Polignac number, because 8865927149 - 2²⁰ = 8864878573 is a prime.

It is a super-2 number, since 2×8865927149² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8865927949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4432963574 + 4432963575.

It is an arithmetic number, because the mean of its divisors is an integer number (4432963575).

Almost surely, 2^8865927149 is an apocalyptic number.

It is an amenable number.

8865927149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8865927149 is an equidigital number, since it uses as much as digits as its factorization.

8865927149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 59.

The square root of 8865927149 is about 94159.0524007118. The cubic root of 8865927149 is about 2069.7031126097.

The spelling of 8865927149 in words is "eight billion, eight hundred sixty-five million, nine hundred twenty-seven thousand, one hundred forty-nine".