6422061851 has 2 divisors, whose sum is σ = 6422061852. Its totient is φ = 6422061850.

The previous prime is 6422061839. The next prime is 6422061853. The reversal of 6422061851 is 1581602246.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6422061851 is a prime.

Together with 6422061853, 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 (6422061853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211030925 + 3211030926.

It is an arithmetic number, because the mean of its divisors is an integer number (3211030926).

Almost surely, 2^6422061851 is an apocalyptic number.

6422061851 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422061851 is an equidigital number, since it uses as much as digits as its factorization.

6422061851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 6422061851 is about 80137.7679437105. The cubic root of 6422061851 is about 1858.7664626227.

The spelling of 6422061851 in words is "six billion, four hundred twenty-two million, sixty-one thousand, eight hundred fifty-one".