6419630851 has 2 divisors, whose sum is σ = 6419630852. Its totient is φ = 6419630850.

The previous prime is 6419630827. The next prime is 6419630873. The reversal of 6419630851 is 1580369146.

6419630851 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 6419630851 - 2¹³ = 6419622659 is a prime.

It is a super-2 number, since 2×6419630851² = 82423320526221968402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6419630798 and 6419630807.

It is not a weakly prime, because it can be changed into another prime (6419630821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209815425 + 3209815426.

It is an arithmetic number, because the mean of its divisors is an integer number (3209815426).

Almost surely, 2^6419630851 is an apocalyptic number.

6419630851 is a deficient number, since it is larger than the sum of its proper divisors (1).

6419630851 is an equidigital number, since it uses as much as digits as its factorization.

6419630851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 6419630851 is about 80122.5988782191. The cubic root of 6419630851 is about 1858.5318945739.

Adding to 6419630851 its reverse (1580369146), we get a palindrome (7999999997).

The spelling of 6419630851 in words is "six billion, four hundred nineteen million, six hundred thirty thousand, eight hundred fifty-one".