264842093 has 2 divisors, whose sum is σ = 264842094. Its totient is φ = 264842092.

The previous prime is 264842087. The next prime is 264842111. The reversal of 264842093 is 390248462.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177475684 + 87366409 = 13322^2 + 9347^2 .

It is a cyclic number.

It is not a de Polignac number, because 264842093 - 2⁴ = 264842077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_14445578 and since 264842093 and 14445578 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264842003) 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, 132421046 + 132421047.

It is an arithmetic number, because the mean of its divisors is an integer number (132421047).

Almost surely, 2^264842093 is an apocalyptic number.

It is an amenable number.

264842093 is a deficient number, since it is larger than the sum of its proper divisors (1).

264842093 is an equidigital number, since it uses as much as digits as its factorization.

264842093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 264842093 is about 16273.9697984235. The cubic root of 264842093 is about 642.1882234247.

The spelling of 264842093 in words is "two hundred sixty-four million, eight hundred forty-two thousand, ninety-three".