918434269 has 2 divisors, whose sum is σ = 918434270. Its totient is φ = 918434268.

The previous prime is 918434233. The next prime is 918434287. The reversal of 918434269 is 962434819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 821510244 + 96924025 = 28662^2 + 9845^2 .

It is an emirp because it is prime and its reverse (962434819) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 918434269 - 2⁹ = 918433757 is a prime.

It is a super-2 number, since 2×918434269² = 1687043012947128722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918434969) 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, 459217134 + 459217135.

It is an arithmetic number, because the mean of its divisors is an integer number (459217135).

Almost surely, 2^918434269 is an apocalyptic number.

It is an amenable number.

918434269 is a deficient number, since it is larger than the sum of its proper divisors (1).

918434269 is an equidigital number, since it uses as much as digits as its factorization.

918434269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 918434269 is about 30305.6804741289. The cubic root of 918434269 is about 972.0367692713.

The spelling of 918434269 in words is "nine hundred eighteen million, four hundred thirty-four thousand, two hundred sixty-nine".