28026428041 has 2 divisors, whose sum is σ = 28026428042. Its totient is φ = 28026428040.

The previous prime is 28026427997. The next prime is 28026428051. The reversal of 28026428041 is 14082462082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27770556025 + 255872016 = 166645^2 + 15996^2 .

It is a cyclic number.

It is not a de Polignac number, because 28026428041 - 2⁹ = 28026427529 is a prime.

It is not a weakly prime, because it can be changed into another prime (28026428051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14013214020 + 14013214021.

It is an arithmetic number, because the mean of its divisors is an integer number (14013214021).

Almost surely, 2^28026428041 is an apocalyptic number.

It is an amenable number.

28026428041 is a deficient number, since it is larger than the sum of its proper divisors (1).

28026428041 is an equidigital number, since it uses as much as digits as its factorization.

28026428041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 28026428041 in words is "twenty-eight billion, twenty-six million, four hundred twenty-eight thousand, forty-one".