8256746633 has 2 divisors, whose sum is σ = 8256746634. Its totient is φ = 8256746632.

The previous prime is 8256746627. The next prime is 8256746689. The reversal of 8256746633 is 3366476528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6569426704 + 1687319929 = 81052^2 + 41077^2 .

It is a cyclic number.

It is not a de Polignac number, because 8256746633 - 2¹⁴ = 8256730249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8256766633) 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, 4128373316 + 4128373317.

It is an arithmetic number, because the mean of its divisors is an integer number (4128373317).

Almost surely, 2^8256746633 is an apocalyptic number.

It is an amenable number.

8256746633 is a deficient number, since it is larger than the sum of its proper divisors (1).

8256746633 is an equidigital number, since it uses as much as digits as its factorization.

8256746633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 50.

The square root of 8256746633 is about 90866.6420255530. The cubic root of 8256746633 is about 2021.1706635338.

The spelling of 8256746633 in words is "eight billion, two hundred fifty-six million, seven hundred forty-six thousand, six hundred thirty-three".