854444933 has 2 divisors, whose sum is σ = 854444934. Its totient is φ = 854444932.

The previous prime is 854444923. The next prime is 854444947. The reversal of 854444933 is 339444458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850188964 + 4255969 = 29158^2 + 2063^2 .

It is a cyclic number.

It is not a de Polignac number, because 854444933 - 2²⁴ = 837667717 is a prime.

It is a super-2 number, since 2×854444933² = 1460152287058748978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854444923) 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, 427222466 + 427222467.

It is an arithmetic number, because the mean of its divisors is an integer number (427222467).

Almost surely, 2^854444933 is an apocalyptic number.

It is an amenable number.

854444933 is a deficient number, since it is larger than the sum of its proper divisors (1).

854444933 is an equidigital number, since it uses as much as digits as its factorization.

854444933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 44.

The square root of 854444933 is about 29230.8900480297. The cubic root of 854444933 is about 948.9165609704.

The spelling of 854444933 in words is "eight hundred fifty-four million, four hundred forty-four thousand, nine hundred thirty-three".