8286640133 has 2 divisors, whose sum is σ = 8286640134. Its totient is φ = 8286640132.

The previous prime is 8286640081. The next prime is 8286640181. The reversal of 8286640133 is 3310466828.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8247727489 + 38912644 = 90817^2 + 6238^2 .

It is a cyclic number.

It is not a de Polignac number, because 8286640133 - 2²⁶ = 8219531269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8286640433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4143320066 + 4143320067.

It is an arithmetic number, because the mean of its divisors is an integer number (4143320067).

Almost surely, 2^8286640133 is an apocalyptic number.

It is an amenable number.

8286640133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8286640133 is an equidigital number, since it uses as much as digits as its factorization.

8286640133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 8286640133 is about 91030.9844668287. The cubic root of 8286640133 is about 2023.6069376758.

The spelling of 8286640133 in words is "eight billion, two hundred eighty-six million, six hundred forty thousand, one hundred thirty-three".