8182728313 has 2 divisors, whose sum is σ = 8182728314. Its totient is φ = 8182728312.

The previous prime is 8182728293. The next prime is 8182728317. The reversal of 8182728313 is 3138272818.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4302310464 + 3880417849 = 65592^2 + 62293^2 .

It is a cyclic number.

It is not a de Polignac number, because 8182728313 - 2²⁵ = 8149173881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8182728313.

It is not a weakly prime, because it can be changed into another prime (8182728317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4091364156 + 4091364157.

It is an arithmetic number, because the mean of its divisors is an integer number (4091364157).

Almost surely, 2^8182728313 is an apocalyptic number.

It is an amenable number.

8182728313 is a deficient number, since it is larger than the sum of its proper divisors (1).

8182728313 is an equidigital number, since it uses as much as digits as its factorization.

8182728313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 43.

The square root of 8182728313 is about 90458.4341728288. The cubic root of 8182728313 is about 2015.1128723149.

The spelling of 8182728313 in words is "eight billion, one hundred eighty-two million, seven hundred twenty-eight thousand, three hundred thirteen".