28041708139 has 2 divisors, whose sum is σ = 28041708140. Its totient is φ = 28041708138.

The previous prime is 28041708109. The next prime is 28041708187. The reversal of 28041708139 is 93180714082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28041708139 - 2⁹ = 28041707627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28041708095 and 28041708104.

It is not a weakly prime, because it can be changed into another prime (28041708109) 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, 14020854069 + 14020854070.

It is an arithmetic number, because the mean of its divisors is an integer number (14020854070).

Almost surely, 2^28041708139 is an apocalyptic number.

28041708139 is a deficient number, since it is larger than the sum of its proper divisors (1).

28041708139 is an equidigital number, since it uses as much as digits as its factorization.

28041708139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 28041708139 in words is "twenty-eight billion, forty-one million, seven hundred eight thousand, one hundred thirty-nine".