5428064891 has 2 divisors, whose sum is σ = 5428064892. Its totient is φ = 5428064890.

The previous prime is 5428064867. The next prime is 5428064897. The reversal of 5428064891 is 1984608245.

5428064891 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 5428064891 - 2¹⁸ = 5427802747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5428064897) 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, 2714032445 + 2714032446.

It is an arithmetic number, because the mean of its divisors is an integer number (2714032446).

Almost surely, 2^5428064891 is an apocalyptic number.

5428064891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5428064891 is an equidigital number, since it uses as much as digits as its factorization.

5428064891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 5428064891 is about 73675.4022113215. The cubic root of 5428064891 is about 1757.4447349087. Note that the first 3 decimals are identical.

The spelling of 5428064891 in words is "five billion, four hundred twenty-eight million, sixty-four thousand, eight hundred ninety-one".