918000869 has 2 divisors, whose sum is σ = 918000870. Its totient is φ = 918000868.

The previous prime is 918000803. The next prime is 918000871. The reversal of 918000869 is 968000819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515517025 + 402483844 = 22705^2 + 20062^2 .

It is an emirp because it is prime and its reverse (968000819) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 918000869 - 2¹² = 917996773 is a prime.

It is a super-2 number, since 2×918000869² = 1685451190969510322, which contains 22 as substring.

Together with 918000871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918003869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459000434 + 459000435.

It is an arithmetic number, because the mean of its divisors is an integer number (459000435).

Almost surely, 2^918000869 is an apocalyptic number.

It is an amenable number.

918000869 is a deficient number, since it is larger than the sum of its proper divisors (1).

918000869 is an equidigital number, since it uses as much as digits as its factorization.

918000869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 918000869 is about 30298.5291557198. The cubic root of 918000869 is about 971.8838470523.

The spelling of 918000869 in words is "nine hundred eighteen million, eight hundred sixty-nine", and thus it is an aban number.