4027128899 has 2 divisors, whose sum is σ = 4027128900. Its totient is φ = 4027128898.

The previous prime is 4027128883. The next prime is 4027128901. The reversal of 4027128899 is 9988217204.

4027128899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4027128899 - 2⁴ = 4027128883 is a prime.

Together with 4027128901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4027128829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013564449 + 2013564450.

It is an arithmetic number, because the mean of its divisors is an integer number (2013564450).

Almost surely, 2^4027128899 is an apocalyptic number.

4027128899 is a deficient number, since it is larger than the sum of its proper divisors (1).

4027128899 is an equidigital number, since it uses as much as digits as its factorization.

4027128899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 4027128899 is about 63459.6635588308. The cubic root of 4027128899 is about 1590.9816728364.

The spelling of 4027128899 in words is "four billion, twenty-seven million, one hundred twenty-eight thousand, eight hundred ninety-nine".