8165242733 has 2 divisors, whose sum is σ = 8165242734. Its totient is φ = 8165242732.

The previous prime is 8165242721. The next prime is 8165242753. The reversal of 8165242733 is 3372425618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5204468164 + 2960774569 = 72142^2 + 54413^2 .

It is a cyclic number.

It is not a de Polignac number, because 8165242733 - 2⁶ = 8165242669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8165242753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082621366 + 4082621367.

It is an arithmetic number, because the mean of its divisors is an integer number (4082621367).

Almost surely, 2^8165242733 is an apocalyptic number.

It is an amenable number.

8165242733 is a deficient number, since it is larger than the sum of its proper divisors (1).

8165242733 is an equidigital number, since it uses as much as digits as its factorization.

8165242733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 8165242733 is about 90361.7326803775. The cubic root of 8165242733 is about 2013.6764913638.

The spelling of 8165242733 in words is "eight billion, one hundred sixty-five million, two hundred forty-two thousand, seven hundred thirty-three".