5291421847 has 2 divisors, whose sum is σ = 5291421848. Its totient is φ = 5291421846.

The previous prime is 5291421799. The next prime is 5291421851. The reversal of 5291421847 is 7481241925.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5291421847 - 2⁷ = 5291421719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5291421347) 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, 2645710923 + 2645710924.

It is an arithmetic number, because the mean of its divisors is an integer number (2645710924).

Almost surely, 2^5291421847 is an apocalyptic number.

5291421847 is a deficient number, since it is larger than the sum of its proper divisors (1).

5291421847 is an equidigital number, since it uses as much as digits as its factorization.

5291421847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 5291421847 is about 72742.1600380412. The cubic root of 5291421847 is about 1742.5722565542.

The spelling of 5291421847 in words is "five billion, two hundred ninety-one million, four hundred twenty-one thousand, eight hundred forty-seven".