28162371301 has 2 divisors, whose sum is σ = 28162371302. Its totient is φ = 28162371300.

The previous prime is 28162371287. The next prime is 28162371317. The reversal of 28162371301 is 10317326182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15974432100 + 12187939201 = 126390^2 + 110399^2 .

It is a cyclic number.

It is not a de Polignac number, because 28162371301 - 2⁵ = 28162371269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28162371901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14081185650 + 14081185651.

It is an arithmetic number, because the mean of its divisors is an integer number (14081185651).

Almost surely, 2^28162371301 is an apocalyptic number.

It is an amenable number.

28162371301 is a deficient number, since it is larger than the sum of its proper divisors (1).

28162371301 is an equidigital number, since it uses as much as digits as its factorization.

28162371301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 28162371301 its reverse (10317326182), we get a palindrome (38479697483).

The spelling of 28162371301 in words is "twenty-eight billion, one hundred sixty-two million, three hundred seventy-one thousand, three hundred one".