853448269 has 2 divisors, whose sum is σ = 853448270. Its totient is φ = 853448268.

The previous prime is 853448257. The next prime is 853448273. The reversal of 853448269 is 962844358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 587432169 + 266016100 = 24237^2 + 16310^2 .

It is a cyclic number.

It is not a de Polignac number, because 853448269 - 2⁵ = 853448237 is a prime.

It is a super-2 number, since 2×853448269² = 1456747895718192722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853448969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426724134 + 426724135.

It is an arithmetic number, because the mean of its divisors is an integer number (426724135).

Almost surely, 2^853448269 is an apocalyptic number.

It is an amenable number.

853448269 is a deficient number, since it is larger than the sum of its proper divisors (1).

853448269 is an equidigital number, since it uses as much as digits as its factorization.

853448269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 49.

The square root of 853448269 is about 29213.8369441606. The cubic root of 853448269 is about 948.5474640672.

The spelling of 853448269 in words is "eight hundred fifty-three million, four hundred forty-eight thousand, two hundred sixty-nine".