854495069 has 2 divisors, whose sum is σ = 854495070. Its totient is φ = 854495068.

The previous prime is 854495041. The next prime is 854495077. The reversal of 854495069 is 960594458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751472569 + 103022500 = 27413^2 + 10150^2 .

It is a cyclic number.

It is not a de Polignac number, because 854495069 - 2²⁰ = 853446493 is a prime.

It is a super-2 number, since 2×854495069² = 1460323645890629522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854495009) 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, 427247534 + 427247535.

It is an arithmetic number, because the mean of its divisors is an integer number (427247535).

Almost surely, 2^854495069 is an apocalyptic number.

It is an amenable number.

854495069 is a deficient number, since it is larger than the sum of its proper divisors (1).

854495069 is an equidigital number, since it uses as much as digits as its factorization.

854495069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 854495069 is about 29231.7476213791. The cubic root of 854495069 is about 948.9351203682.

The spelling of 854495069 in words is "eight hundred fifty-four million, four hundred ninety-five thousand, sixty-nine".