853056469 has 2 divisors, whose sum is σ = 853056470. Its totient is φ = 853056468.

The previous prime is 853056371. The next prime is 853056473. The reversal of 853056469 is 964650358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 569538225 + 283518244 = 23865^2 + 16838^2 .

It is a cyclic number.

It is not a de Polignac number, because 853056469 - 2¹⁹ = 852532181 is a prime.

It is a super-2 number, since 2×853056469² = 1455410678605495922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853056569) 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, 426528234 + 426528235.

It is an arithmetic number, because the mean of its divisors is an integer number (426528235).

Almost surely, 2^853056469 is an apocalyptic number.

It is an amenable number.

853056469 is a deficient number, since it is larger than the sum of its proper divisors (1).

853056469 is an equidigital number, since it uses as much as digits as its factorization.

853056469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 853056469 is about 29207.1304478889. The cubic root of 853056469 is about 948.4022891748.

The spelling of 853056469 in words is "eight hundred fifty-three million, fifty-six thousand, four hundred sixty-nine".