28055586420019 has 2 divisors, whose sum is σ = 28055586420020. Its totient is φ = 28055586420018.

The previous prime is 28055586419989. The next prime is 28055586420047. The reversal of 28055586420019 is 91002468555082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28055586420019 - 2⁴³ = 19259493397811 is a prime.

It is a super-2 number, since 2×28055586420019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28055586420049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027793210009 + 14027793210010.

It is an arithmetic number, because the mean of its divisors is an integer number (14027793210010).

Almost surely, 2^{28055586420019} is an apocalyptic number.

28055586420019 is a deficient number, since it is larger than the sum of its proper divisors (1).

28055586420019 is an equidigital number, since it uses as much as digits as its factorization.

28055586420019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 28055586420019 in words is "twenty-eight trillion, fifty-five billion, five hundred eighty-six million, four hundred twenty thousand, nineteen".