28618143313 has 2 divisors, whose sum is σ = 28618143314. Its totient is φ = 28618143312.

The previous prime is 28618143271. The next prime is 28618143317. The reversal of 28618143313 is 31334181682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24046084624 + 4572058689 = 155068^2 + 67617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28618143313 is a prime.

It is not a weakly prime, because it can be changed into another prime (28618143317) 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, 14309071656 + 14309071657.

It is an arithmetic number, because the mean of its divisors is an integer number (14309071657).

Almost surely, 2^28618143313 is an apocalyptic number.

It is an amenable number.

28618143313 is a deficient number, since it is larger than the sum of its proper divisors (1).

28618143313 is an equidigital number, since it uses as much as digits as its factorization.

28618143313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The spelling of 28618143313 in words is "twenty-eight billion, six hundred eighteen million, one hundred forty-three thousand, three hundred thirteen".